作用的

It has been shown that transpiration through the stomata amounts to 90% of the transpiration that occurs from a water surface of the same area as a the leaf.

据显示在叶片气孔处发生的蒸腾作用约占同叶片面积相等的水面能够发生的蒸腾作用的90%。

The book covers both plants and animals, and deals with all relevant areas of research, including biogeography, field work, systematics, theory, and genetic and molecular studies, with special emphasis to topics,including sympatric speciation, reinforcement, the role of hybridization in speciation, the search for genes causing reproductive isolation, and mounting evidence for the role of natural and sexual selection in the origin of species.

该书内容覆盖植物和动物，并且涉及所有相关的研究领域，包括生物地理学，野外工作，系统分类学，理论，和遗传和分子研究，特别强调了包括同区域物种形成，增强，杂交在物种形成中的作用，寻找导致生殖隔离的基因，寻找自然和性别选择在物种起源中作用的证据。

Changes in IL-2/IL-2R system in 25 patients with thyrotoxic Graves disease and 20 eu-thyroids were investigated and compared with those of 15 normal controls. The thyrotoxic patients showed a high concentration of serum sIL-2R and a large amount of circulating IL-2R-α- cells but a decreased production of IL-2 by PBMC. However, these abnormalities had a tendency to become normal with improvement of the disease.

Graves病的发生是环境、遗传和免疫等多种因素综合作用的结果＊淋巴细胞的免疫调节异常是其中的一个重要原因，而白细胞介素-2（IL-2）及其受体在维持正常T细胞功能和兔疫调节方面发挥关键作用。

The report exhibits a negative evaluation of college English classroom instruction and an unapparent effect of classroom instruction,reflecting a comprehensive interactionalist result of learner's cognitive style,individual learner differences,motivation,and strategies as well as teacher's professional standard,teaching materials,etc.

调查结果显示，大学英语课堂教学总体评价是负面的，课堂教学对学习者的语言学习的作用不明显。课堂教学是学习者的认知风格、学习者个体差异、学习动机、学习策略、师资水平、教学内容等各种因素共同作用的结果。

As an important part of automatic mechanism, precise intermittent movement mechanism plays an unreplaceable role in the development of current industry.

作为自动化机械的重要组成部分，精密间歇运动机构在当代工业发展过程中起着不可替代的作用，但精度和寿命却一直制约着这种作用的发挥，成为其性能提高的瓶颈。

Wavy distribution of soil water along hillslope resulted from the fluctuation of runoff, upslope runoff infiltration, lateral downslope flow, and the difference of infiltration rate and evapotranspiration.

4土壤水分沿坡面呈&波浪形&分布是坡面径流的波动性、上方来水的沿程入渗、侧向沿坡向下流以及坡面各处入渗性能和蒸发蒸腾作用的差异等综合作用的结果。

The forming of effective reservoir in the beach body depends on the later diagenesis. The beach body is dolomitized when it exposes above the water, which is favorable for the later buried denudation and forming of good reservoir.

当滩体暴露于水体之上时，受到大气淡水和混合水的改造，发生白云石化作用，有利于后期埋藏溶蚀作用的发生，可产生大量的储集空间并构成良好的储集体。

Why that is the case has puzzled many people, but the best argument seems to be one set forth by Regis: political and cultural factors that militated against the use of biological weapons trumped the technological factors that made them possible.

这个情形使很多人迷惑，但最好的论点似乎是里吉斯提出的：反对使用生物武器产生作用的政治文化作用远胜过使之成为可能的技术因素。

According to the bactericidal assay of quantitative vehicle, the bacteria on the ozonized vehicles and unozonized vehicles was washed, 50μl eluant was seeded on the TSA plates.

用碘滴定法测定打开臭氧发生器不同机组及不同时间时的臭氧浓度，按载体定量杀菌试验，将经臭氧作用的载体与相同环境下未经臭氧作用的载体上的细菌洗下，各取洗脱液50μl，接种于TSA平板并置厌氧箱（90％N2，10％CO2，37℃）培养24-48h后，进行活菌菌落计数。

Secondly, study on bleaching of sandstone based on field characteristics, petrography, geochemistry and compared with other sandstone related, combined with geological setting of gas seepage in the area, reveals that natural gas leakage is responsible for bleaching of the sandstone on top of Yan\'an formation. The bleaching resulted from interaction between the reductive fluid and the rock. At the same time the bleaching suggests that the northeast of basin has experienced large scale gas seepage.

在此基础上，通过漂白砂岩野外露头地质特征、岩石学、地球化学以及相关砂岩的对比研究，结合研究区天然气逸散的地质背景，揭示砂岩漂白现象为上古生界天然气逸散过程中，还原性流体与岩石作用的结果，同时也表明其指示了天然气的大规模逸散作用。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。