下水平

The effect of Zea mays and Bromus riparius on soil and water loss were studied,the experiment was conducted to plant crop and grass in runoff-plots on the 15 degree slope naturally,the bare slop is CK,then the runoff and soil erosion amount and the biological characteristics of corn and meadow bromes termly were measured,and difference of soil and water loss prevention effect on the slop land were determined.The results showed that soil and water loss became less after both corn and meadow brome planting.And the leaf area and the coverage of meadow brome higher than corn,which was benefit for less soil and water loss at the rain season early.Meanwhile,roots of corn and meadow brome mainly distributed in 0-10 cm soil layer,and the root biomass of meadow brome was 2.88 times than that of corn.

试验在自然降雨条件下，在15°坡地设置作物与牧草径流试验小区，以裸地为对照，在每次降雨之后用全深剖面采样器取样，测量其径流量和土壤侵蚀量，定期测定玉米和草地雀麦的生物学特性，研究玉米与草地雀麦生物学特性变化及其坡地水土流失防治效果的差异，探索植物种植对坡地水土流失的主要影响因素，结果表明：种植玉米与草地雀麦，对坡地水土流失均有一定防治作用，但是，与玉米相比，草地雀麦的叶面积指数和覆盖度可在雨季前达到较高水平，有利于早期坡地水土流失防治。

A field experiment using OTC(open-top chamber)was carried out with treatments different in nitrogen supply0, 5, 15 gm^(-2 and CO2 level 350 vs 700 μmolmol^(-1 to investigate effects of the treatments on biomass and root/shoot ratio of Calamagrostis angustifolia.

利用开顶箱薰气室(open-top chamber)试验装置，研究了不施氮、施常氮MN， 5gm^(-2和施高氮HN， 15gm^(-23个氮素水平下大气CO2浓度升高对小叶章生物量和根冠比的影响。

Four steers weighted 420,aged 2.5 ~ 3,fitted with permanent cannulate in the rumen,were used in 4×4 Latin square design experiment to determine the effect of different selenium sources(natrium selenite and rumen by-pass selenium) and concentration (0、 0.3 、 0.6、 0.9mg/kg) on nutrients metabolism in rumen.

选用4头体重420kg±20kg，装有永久性瘤胃瘘管的2.5～3岁阉牛，按4×4拉丁方设计，在1.3倍维持需要下，喂以3kg混合精料和6kg玉米秸秆，研究日粮中添加不同硒源不同水平(0mg/kg、0.3mg/kg、0.6mg/kg、0.9mg/kg)对瘤胃营养物质代谢的影响。

The important thought of the "Three Represents" answers cardinally the historic questions of how to strengthen the Party's construction in the 21st century that is full of chances and challenges. It answers the theoretical and actual questions of how the Party can put itself in an invincible position forever. It's the essential standard to test the Party's leading ability in the new historical conditions.

三个代表重要思想，从根本上回答了在充满机遇和挑战的二十一世纪如何搞好党的建设的历史性课题，回答了党如何才能永远立于不败之地的理论和现实问题，是在新的历史条件下检验党的领导水平和执政能力的根本标准。

The important thought of the "Three Represents" answers cardinally the historic questions of how to strengthen the Party"s construction in the 21st century that is full of chances and challenges. It answers the theoretical and actual questions of how the Party can put itself in an invincible position forever. It"s the essential standard to test the Partys leading ability in the new historical conditions.

三个代表重要思想，从根本上回答了在充满机遇和挑战的二十一世纪如何搞好党的建设的历史性课题，回答了党如何才能永远立于不败之地的理论和现实问题，是在新的历史条件下检验党的领导水平和执政能力的根本标准。

By focusing on the coupling of water and fertilizer and using all-purpose regression design with four factors and five levels, and based on pot experiments and quantitative analysis, the coupling effect of water and fertilizer on Casuarina equsetifolia biomass was studied in order to solve the inconsistency problem of water and fertilizer supply on coastal sandy land.

针对滨海沙地因水肥不协调而形成大面积低效林分的问题，以水肥耦合为中心，以1年生木麻黄幼苗为研究对象，采用四因子五水平二次通用旋转组合设计，利用盆栽试验和定量分析的方法，研究探讨了在不同水肥条件下，水、N、P、K四因子对木麻黄生物量的影响。

The effects of different nutritional condition on the growth and antioxidant enzyme activity of submerged macrophytes Myriophyllum spicatum L, Hydrilla verticillata L and Ceratophyllum demersum L. were investigated in this study.

模拟研究了沉水植物狐尾藻Myriophyllum spicatum L、轮叶黑藻Hydrilla verticillata L和金鱼藻Ceratophyllum demersum L在中、富两种营养水平下的生长及生理特性。

The contents of protein and chlorophyll of Hydrilla verticillata. L is lower, but those of Myriophyllum spicatum L and Ceratophyllum demersum L raised steadily in the same condition, which indicated that those two submerged macrophytes have the stronger tolerance for nutrition than Hydrilla verticillata L.

通过对3种沉水植物可溶性蛋白和叶绿素质量分数的分析发现，黑藻在中富两种营养水平下，质量分数较低且波动平稳，金鱼藻和狐尾藻可溶性蛋白和叶绿素质量分数持续升高，表明这两种沉水植物对水体中营养盐的耐受能力较黑藻强。

For those pushing beyond this, conscious management of the dream daily to assure a non-fatal outcome is most important; those proceeding to this level of work generally also have the clairvoyant and clairsentient gifts and talents required for the job, or there would be no purpose in allowing them to move to the next level of ascent in the first place.

而对那些超越这些级别的人而言，有意识管理日常梦想来确保一个不会致命的结果则是最重要的。这些人，通常也拥有为工作所需的透视和心灵感应天赋，否则首先就没有允许他们进入下一水平提升的目标。

Under the leadership of governmental departments in charge, CLIMA will comply with national laws and regulations as well as the social morality; supply all-round services for its members; enhance the technological, economical and managing level of China's light industry machinery; and make contributions to the development and progress of light industry production and technologies.

在政府主管部门的领导下，遵守国家的法律、法规和社会道德风尚，全方位为会员服务，促进中国轻工机械行业技术、经济、管理水平的不断提高，为轻工业生产的发展和技术进步做出贡献。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失