查询词典 present simple

Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows:①reviewed entirely the origin and evolvement of the concept "sustainable development", stated and commented the study status in queue on"sustainable development"around national and international range, thorough discussed the science connotation about the concept "sustainable development";②looked back and commented across-the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings;③expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory;④thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the MATLAB software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the B-J method and Morte-Carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources;⑤synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming, mathematical statistics, random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality;⑥analyzed the inside condition and outside condition to assure the sustainable and optimum exploitation of groundwater resources, the inside conditions are the follows: correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows: the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water-saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology;⑦scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy;⑧point out the more directions on groundwater resources.

它将为制定水资源的可持续发展目标和战略决策提供科学依据，为制定社会、经济可持续发展战略提供理论基础。基于以上考虑，论文主要从以下几方面对地下水资源可持续开发问题进行了比较深入的探讨：①全面回顾了&可持续发展&概念的由来与演变，对国内外&可持续发展&的研究现状进行了述评，并对&可持续发展&概念的科学内涵进行了深入探讨；②对涉及地下水资源的一些最基本的概念和命题进行了全面的回顾和评述，对目前仍然存在的一些错误观点和混乱认识提出了自己的见解；③全面阐述了地下水资源变值系统理论的内容和意义，并与传统的地下水资源计算评价方法进行了对比分析，结合实例具体说明了方法的应用；④深入分析了地下水资源预测预报工作的极端重要性和复杂性，对传统的地下水资源动态预测方法进行了全面的评述，指出了各类预测预报方法的特点及适用条件，对最近二十多年刚发展起来的小波分析技术的主要思想和方法及其应用范围，以及号称第五代计算机语言的MATLAB软件和附带的小波分析工具箱进行了介绍，并应用于地下水动态过程线的分析，采用时间序列中的B-J法，蒙特卡罗方法，与地下水资源变值系统理论相结合，探讨了地下水动态资料分析和地下水资源预测预报的新思路；⑤综合分析了现今各类地下水管理模型的特点及缺陷，将数学规划、数理统计、随机过程等与地下水变值系统理论相结合进行地表水地下水或多水源的联合优化调度，使模型更准确、更实用；⑥对保证地下水资源可持续开发的内部条件和外部条件进行了分析，内部条件主要是正确的资源观，科学的资源计算与评价方法，可靠的资源预测预报技术，可操作的资源管理措施，外部条件主要是高层发展思路、管理体制的变革、配套的政策法规、经济杠杆的调节、人文素质的提高、节水意识的增强及具体节水措施、人口增长的控制、水体污染的防治、生态的恢复和重建等；⑦从宇宙科学、地球系统科学及哲学的高度审视地下水资源的可持续开发；⑧指出了地下水资源可持续开发的进一步研究方向。

Often in the "hunters" on the issue of timing, from the October 1974 stock market forecast for the first time to the present, the Balao answer has always been simple and witty, Buffett in 1974 to accept the "Forbes "He said, I called the investment industry, the world's greatest business, because you never have to change its attitude.

经常在&猎人&关于时间问题，从1974年10月股票首次目前的市场预测，巴拉奥答案其实很简单，诙谐，巴菲特在1974年接受&福布斯&他说：我打电话的投资行业，是世界上最大的商业，因为你从来没有改变态度。

Various alcohols are tolerable under the present conditions including benzylic alcohols,allylic alcohols as well as simple aliphatic alcohols.

醇的范围非常广，二苯甲醇、1-苯乙醇、烯丙醇衍生物等含苄醇结构的地物能够以最高接近定量的产率得到产物。普通烷基醇如环己醇，甚至最简单的甲醇和乙醇也能顺利反应，产率中等。

Various alcohols are tolerable under the present conditions including benzylic alcohols,allylic alcohols as well as simple aliphatic alcohols.

普通烷基醇如环己醇，甚至最简单的甲醇和乙醇也能顺利反应，产率中等。在这个反应中，磷钨酸能够顺利回收，并在此被用于催化反应，活性没有降低。

Whatever they borrowed, this pessimism they did not borrow -- not from Greek thought, which was a joyous acknowledgment of and homage to the beautiful and noble in this world, with a studied disregard of the element of sorrow; not from Egyptian thought, which did not allow its elaborate speculations on retribution and judgment in the netherworld to cast a gloom on this present existence, but considered the universe created or evolved under the presiding wisdom of Thoth; not from Iranian thought, which held to the absolute supremacy of Ahura Mazda and only allowed Ahriman a subordinate share in the creation, or rather counter-creation, of the world; not from Indian Brahminic thought, which was Pantheism pure and simple, or God dwelling in, nay identified with, the universe, rather than the Universe existing as the contradictory of God; not, lastly, from Semitic thought, for Semitic religions were strangely reticent as to the fate of the soul after death, and saw all practical wisdom in the worship of Baal, or Marduk, or Assur, or Hadad, that they might live long on this earth.

无论他们借来的，这悲观，他们并没有借用-而不是从希腊思想，这是一个欢乐的承认和致敬，向美丽的和高尚的在这个世界上，一个研究无视元素的悲哀；并非来自埃及的思想，不容许其拟订的揣测对报应和判断，在地狱投忧愁就这本存在，但认为宇宙的创造或演变下，主持会议的智慧，透特；不是来自伊朗的思想，举行以绝对优势的阿胡拉马自达和只允许ahriman下属分享在创造，或者更确切地说，反创造，整个世界的；不是从印度brahminic思想，这是泛神论单纯和简单，或上帝在住家，在NaY查明，宇宙，而不是宇宙现有的作为矛盾的上帝；没有，最后，从反犹思想，为犹太人的宗教是奇怪的沉默，以命运的灵魂，死亡后，看到所有实际可行的智慧，崇拜巴力，或马尔杜克，或杆，或哈达，他们可能活，只要这个地球上。

Whatever they borrowed, this pessimism they did not borrow -- not from Greek thought, which was a joyous acknowledgment of and homage to the beautiful and noble in this world, with a studied disregard of the element of sorrow; not from Egyptian thought, which did not allow its elaborate speculations on retribution and judgment in the netherworld to cast a gloom on this present existence, but considered the universe created or evolved under the presiding wisdom of Thoth; not from Iranian thought, which held to the absolute supremacy of Ahura Mazda and only allowed Ahriman a subordinate share in the creation, or rather counter-creation, of the world; not from Indian Brahminic thought, which was Pantheism pure and simple, or God dwelling in, nay identified with, the universe, rather than the Universe existing as the contradictory of God; not, lastly, from Semitic thought, for Semitic religions were strangely reticent as to the fate of the soul after death, and saw all practical wisdom in the worship of Baal, or Marduk, or Assur, or Hadad, that they might live long on this earth.

不管他们借来的，这悲观他们不借钱-而不是从希腊认为，这是一个愉快的承认，并表示敬意的美丽和崇高在这个世界上，一个研究无视元素的悲哀；不是来自埃及认为，这不允许其拟定的报复猜测和判断中的地狱，以投下了阴影对本存在，但认为宇宙的创造或进化的主持下智慧的托提；不是来自伊朗的思想，举行了向绝对优势的胡马自达并只允许Ahriman下属份额的创造，而不是对抗或创造，对世界，而不是从印度Brahminic认为，这是泛神论纯粹和简单，或住在上帝，不查明，宇宙，而不是宇宙现有的矛盾上帝；没有，最后，来自犹太人的思想，为犹太人的宗教有奇怪的沉默，以命运的死亡后的灵魂，看到一切实际智慧的崇拜巴力，或马尔杜克，或亚述，或哈达，他们可能长期生活在地球上。

It is simple, that is, in a normal business card printing and membership card making of business card printing and membership card making, using the resin powder (the present use of rosin powder and the like) of spreading in paint, printing ink that is latent in the ink of powder, and then is able to make the business card printing and membership card making part of the carinal.

其方法极为简单，即在普通的制卡和会员卡制作物制卡和会员卡制作之后，使用树脂粉末（为香港目前所使用之松香粉之类）撒布在未干之油墨上，则粉末即融解在油墨里，然后加热就能使制卡和会员卡制作部分隆凸起来。

Leaves simple, usually alternate, rarely opposite or verticillate, sometimes crowded at apices of branches; stipules usually small and caducous, sometimes larger, leaflike and persistent, rarely absent; petiole generally present, sometimes with apex 2-glandular and/or with additional glands along petiole length; leaf blade usually pinnate-veined, sometimes 3-5-veined from base or palmate-veined, with or without pellucid dots or lines, sometimes with a pair of glands at junction of blade and petiole, margin entire or toothed, teeth glandular or not. Inflorescences axillary, terminal, or cauliflorous, of various forms: racemose, spicate, cymose, corymbose, or paniculate, sometimes flowers fasciculate, or solitary; pedicels often articulate; bracts and bracteoles usually small to minute.

单叶，通常互生，很少对生或轮生，有时在枝端簇生；托叶通常小并且早落，有时大，叶状并且宿存，很少无；叶柄通常存在，有时先端有2个腺体，或沿着叶柄有腺体；叶片通常羽状脉，有时基部3-5出脉或掌状脉，有或无透明小圆点或线，花序腋生，顶生，或者茎生，或多种形式：总状，穗状，聚伞状，伞房状，或者圆锥状，有时花束状，或者单生；花梗通常有节；苞片和小苞片通常小到微小。

Throughout the present paper, the author mainly discuss the complexification of n-Lie algebras and the classification of real simple n-Lie algebras.

就李代数而言，单李代数的复化和复李代数的实形是一个非常重要的问题，同时其分类也是人们关注的焦点，本文将这两个结论放在n-李代数中进行深入的研究。

Leaves opposite, subopposite, whorled, spiraled, or alternate, usually petiolate, estipulate; petiole sometimes persistent and thornlike; leaf blade simple, margin entire or subentire, sometimes toothed, glands often present between crenations of proximal margin and at base or on petiole.

叶对生，近对生，轮生，螺旋状排列，或者互生，通常具叶柄，无托叶；叶柄有时宿存并刺状；单叶，边缘全缘或者近全缘，有时具齿，通常在近端部和基部的圆锯齿之间或叶柄上有腺体。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。