查询词典 step-down

The first step is selecting a rain gauge as rainfall center by taking turns and adding the nearest rain gauge step by step to estimate the rainfall ratio relation of the same time with respect to the different distance separately. The last step is utilizing Weibull function can inquire into the return periods. Then, the ARF of Tamshui River basin is established.

研究中，先以某个雨量站当成点降雨中心，并逐次纳入邻近雨量站，即可分别得到不同距离下、同时间之雨量比值关系，依序置换不同雨量站为中心进行相同之分析，并利用威伯点绘法，进一步推求重现期距，即可建立研究区域之不同重现期距、不同延时与面积递减关系之ARF曲线。

The first step is to get an evaluation index information map series; the second step is to do quantitative analysis and evaluation to every evaluation index by using the GIS software; the third step is to comprehensively evaluate the regional ecological function; the fourth step is to regionalize the ecological function.

其步骤为：第一步获取评价指标信息图层，第二步利用GIS软件对各个评价指标进行定量分析评价，第三步区域生态功能综合评价，第四步生态功能分区。

Based on accurate step motor system parameters, the state equations describing step motor dynamic characteristics are set up. The operation of the self synchronization closed loop control system is simulated on computer. In the research the principle analysis and system design have been done about self synchronization closed loop operation. The relation between rotating EMF and the rotor position of the step motor is discussed. Through detecting the zero value of rotating EMF the rotor position of the step motor is indirectly obtained.

在得到准确的步进电动机系统参数的基础上，建立了描述步进电动机动态特性的状态方程，并对自同步闭环系统的动态特性进行了计算机仿真在论文的研究中，分析了旋转电势与电机位置的对应关系，通过旋转电势的过零检测间接得到转子位置信号，利用这种"间接传感器"方法实现了步进电动机的自同步闭环控制，论文从原理分析和系统设计两方面进行了研究。

Our country has realized the modernization"three step to walk" the strategy first step of, the second step of goal, the lives of the people overall reaches higher authorities the better-off level, enters the realization modernization third step of strategy the new stage, also the manner modernized development welcomed the rare development condition.

我国已实现了现代化建设"三步走"战略的第一步、第二步目标，人民生活总体上达到了小康水平，进入实现现代化建设第三步战略的新阶段，也为人的现代化发展迎来了难得的发展条件。

The tactics in students learning are: attach importance to train mathematical ability of study, attach importance to happening and developing about knowledge, arouse students to organize the system of knowledge initiatively, be good at finding the problems about students'study and to solve it and feedback timely. The methods of dealing with text are: adjusting order and going to the aim step by step, having good bedding and linking up successfully. The methods of teaching are: paying attention to excavate hide knowledge, reducing hinders of students, paying attention to the hard trying in study producing, arousing students'factor of unintelligence, teaching basis on the text and getting progress step by step, attaching importance to thinking habit and conquering the difficult in teaching, fostering fine atmosphere in study collectively.

学生学习方面采取的策略有：重视培养数学的学习能力；重视知识的发生发展，激发学生主动建构知识体系；善于发现学生的学习问题，及时进行解决和反馈；教材处理的策略有：调整顺序、逐步到位；作好铺垫、顺利衔接；教师教学方面采取的策略有：注重挖掘隐性知识，减少学生的学习障碍；关注学习过程中的努力，激发、提高学生的非智力因素；注重因材施教，循序渐进；注重学生的思维习惯，突破教学难点；培养良好的集体学习氛围。

Step-by-step marketing network all over the country, many large customers in the country's retail market occupies an important position, and some even before the national chain 20, such as RT-Mart, the new one better, Suguo, Shanghai Lotus, Chengdu Hongqi,°, Wuhan Zhongnan Commercial, Zhengzhou Guy, the world, Chongqing hundred weight, step by step, Hunan, Jiangsu Wenfeng, Jiangsu era, Vaud and Ma.

公司营销网络遍步全国，很多大型客户在全国的零售市场中占有重要地位，有些甚至是全国连锁的前20名，如大润发、新一佳、苏果、上海易初莲花、成都红旗、武汉中百、武汉中商、郑州思达、家世界、重庆重百、湖南步步高、江苏文峰、江苏时代、沃而玛等。

The process comprises the subsequent steps a through e: a reacting phthalic anhydride with fluorobenzene or a derivative thereof in appropriate reaction conditions; b over reducing the product obtained in step a at the ketone moiety; c reducing the product obtained in step b with sodium dihydro-bis (2- 15 methoxyethoxy) aluminate to the corresponding alcohol ; d chlorinat ing the alcohol obtained in step c ; e inserting CO into the product obtained in step d through an appropriate Pd-containing catalytic system.

该方法包括以下步骤a～e：a使邻苯二甲酸酐与氟苯或者其衍生物在适当的反应条件中反应；b完全还原步骤a中获得的产品的酮部分；c用二氢-二(2-甲氧基乙氧基)铝酸钠将步骤b中获得的产品还原成相应的醇；d对步骤c中获得的醇进行氯化；e通过适当的含Pd的催化剂体系，将CO插入到步骤d中获得的产品中。

In this thesis, PESA was synthesized using two different methods: the conventional one-step method and the two-step method we have developed. The corresponding products obtained by the one-step method and the two-step method are named PESA I and PESA II, respectively.

本文采用传统的一步法和非传统的两步法合成了PESA Ⅰ和PESA Ⅱ两种不同的产物，并通过单因素和正交试验确立了最佳合成路线。

It is found that the GRAPES model is able to reproduce the observed atmospheric kinetic energy spectrum, including the transition to k-5/3 dependence in the small-meso scale. Meanwhile, there exists a maximum effective time-step, when the time-step is smaller/larger than the maximum effective time-step, the simulated kinetic energy spectrum gradually decays/unphysically grows as the time-step increases.

文中使用基于半隐式半拉格朗日动力框架的全球/区域一体化模式GRAPES进行数值模拟试验，然后计算GRAPES模式的动能谱并与实际观测得到的大气动能谱比较，得到GRAPES模式能够很好地复制出实际大气动能谱的分布特征，包括从大尺度区域的E∝k-3关系向中尺度的E∝k-5/3关系的过渡特征。

Studied the effect of quality of the one step liquid to the second step fermentation rate and periods first time, confirmed the effect factor of the one step leavens process versus the second step.

首次研究了从一步发酵工艺的醪液质量对二步发酵的收率及周期影响，并确定了一步发酵工艺对二步发酵工艺影响因素。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。