首的例句大全

Hydraulic study of valve with extra long emptying culvert of the Three Gorges Lock's last chamber ( 3)& Measures improving the valve working conditions with emergent valve closing

三峡船闸末级闸首超长泄水廊道中阀门水力学关键问题研究（3）&事故动水关闭情况下改善阀门工作条件的措施

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At present, Chinese poplar cultivation area is the largest in the world.

目前，我国的杨树人工林栽培面积已居世界首位。

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Cucumber is globally widely cultivated vegetable crop. In China, it is mainly cultivated in the plastic tunnel, providing a year-round vegetable supply.

黄瓜是全球普遍栽培的主要蔬菜作物，其栽培面积在我国保护地蔬菜中居首位，对保证我国蔬菜周年均衡供应方面具有十分重要的作用。

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For the first time, this paper reports on the distribution pattern of these main characters on the culm in plantations at different altitudes and on its altitude effect.

首次报道了不同海拔区域毛竹人工林这些节间主要性状在竹秆上的分布规律及其海拔效应。

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The primary optical degradation occurs first in the amorphous region and then develops into the crystalline region;

主要光解反应首先发生在非晶区内，进而向晶区扩展；

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First, we changed the ring-electrode structure of the tradition VCSEL into the "double ring cruciform" electrode structure, to make the new electrode access to the inside of the light-hole, so that improved the uniform injection current.

首先，我们将传统的圆环电极结构VCSEL改良双圆环十字型电极结构，使电极接入到出光孔内部，从而使得VCSEL的电流注入均匀。

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The sketch and specific design approaches of mid-block street crossing are generalized and three management and control modes are discussed.

本文首先阐述了行人过街物理设施的概略设计和详细设计方法，讨论了路段人行横道的三种交通管制方式的设计方法和实用条件；

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First, the characteristic of solar radiation utilization of intercropping or relay cropping compound colony was reviewed, which indicated that intercropping and relay cropping system could increase the use efficiency of solar radiation by improving the photosynthesis ability, light capture and transformation.

首先，综述了间套作复合群体在光能利用特性，指出了间套作可通过增强叶片光合性能和提高光的截获率与转化效率显著提高光能利用率。

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First Start-Up of Nuclear Criticality Safety Experiment Facility for Uranyl Nitrate Solution

铀溶液核临界安全实验装置首次物理启动

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Now, the move is following through on the rallying cry coming from Satya Nadella, Microsoft's new chief executive, who has pushed cloud and mobile computing as lodestars for the company's future.

现在，这一举措是在响应新任首席执行官萨蒂亚·纳德拉（Satya Nadella）的号召。纳德拉已经把云计算和移动计算列为该公司未来的发展方向。

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Those who still linger on the entrance of life, hesitating to choose the bright road, remember that when years are passed and your feet stumble on the dark mountains, you will cry bitterly, but in vain:

在人生路口徘徊，不知该不该选择光明大道的年轻人啊，你们千万要记住：当你青春已逝，双足在黑暗的群山中举步维艰，跌跌撞撞之时，你才痛心疾首地呼唤：

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The statistical properties of ocean waves are studied before the analysis of wave spectrum. The equal energy sampling method is used to get simulation curve of the wave height and angle, for long-crested wave, combined with the expression of wave spectrum.

首先，研究海浪的统计特性，并对海浪进行谱分析，结合海浪谱密度表达式，利用等能量采样法对长峰波随机海浪进行仿真，得到海浪波高及其波倾角的仿真曲线。

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The transient change of discharge coefficient via engine crank angle is calculated for the first time.

首次计算出连接通道流量系数随曲轴转角的瞬时变化规律。

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When Bartleby was a teenager, his ambitions were to play cricket3 for England and become prime minister;

巴托比十几岁的时候，抱负是为英格兰打板球，以及成为英国首相；

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Angkor served as the seat of the Khmer empire that flourished from approximately the 9th century to the 15th century A. d.

吴哥是高棉王朝代首都，该王朝兴盛于约公元9世纪至15世纪。

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In 1962, Stylosanthes was firstly introduced to Hainan of China as a cover crop in rubber tree plantation from Malaysia.

我国于1962年首次从马来西亚引种柱花草到海南岛，作为橡胶园的覆盖作物。

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First, the characteristic three-dimensional structure is vital for the biological function of the protein, while the native folded structure of a protein is dictated by its covalent structure, that is, its primary amino acid sequence.

首先，蛋白质的三维结构特征对其生物学功能有着巨大的影响，而蛋白质的空间构象直接取决于其一级结构。

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First, a court card shows you a side of you that is being expressed or seeking expression.

首先，一张宫廷牌显示了你正在表现的，或是寻求表现的一个方面。

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Without introduction of any stabilizer, the mesoporous nanocrystalline zirconia with lamellar and MSU structure was obtained via solid state reaction coupled with surfactant templating method.

在不添加任何结构稳定剂的条件下，首次用固态反应结构导向法成功地合成了具有层状结构和MSU结构的介孔纳米二氧化锆。

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The electric bicycle with electricity as the driving energy has become the preferred means of transport because of its legerity 、 moderate cost 、 no pollution and low noise. It is certain that the electric bicycle will has a broad market prospect.

电动自行车以电力作为驱动能源，具有轻巧灵便、价格适中、无污染、噪声小等诸多优点，日益成为人们中短途出行的首选交通工具，具有广阔的市场前景。

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