结合伯努里方程和临界牵引力理论，得到了基于临界速度的临界水力梯度公式；
Coupling the Bernoulli's equation and critical tractive stress theory, a critical hydraulic gradient model based on critical velocity is developed.
对已有流体机械逆求其流道曲线，由于不知道性能参数无法直接用伯努里方程；
To find the passage curve for a given fluid machine, the parameters in the equation are unknown.
本文针对在实际使用过程中可能出现的问题，应用水压图及伯努里方程，对应用水射器补水加压的热水供暖系统水力工况、吸上真空度等进行了分析和计算。
The hydrodynamic condition and the sucking vacuum that may ap- pear in such a system are further analyzed and calculated here by means of the water pressure chart and the Bernoulli equation.
这个断定，即效用的增加会“反比于现今拥有的商品的数量”里假设了一个比例常数b的存在，那对于此荒谬的假设，伯努利给出的证据是什么呢？
What evidence does Bernoulli have for this preposterous assumption, for his assertion that an increase in utility will be "inversely proportionate to the quantity of goods already possessed"?
这个断定，即效用的增加会“反比于现今拥有的商品的数量”里假设了一个比例常数b的存在，那对于此荒谬的假设，伯努利给出的证据是什么呢？
What evidence doesBernoulli have for this preposterous assumption, for his assertion that anincrease in utility will be "inversely proportionate to the quantity ofgoods already possessed"?
在莫里森·努森公司就职期间，他曾在中国、哥伦比亚、泰国和沙特阿拉伯工作过。
While at Morrison Knudsen , he worked in China, Columbia, Thailand and Saudi Arabia.
在莫里森·努森公司就职期间，他曾在中国、哥伦比亚、泰国和沙特阿拉伯工作过。
While at Morrison Knudsen , he worked in China, Columbia, Thailand and Saudi Arabia.
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