Based on the numerical solution of Saint Venant Equations and proportional control mode, the author established a computer program for simulating automatic upstream control irrigation canal system.

作者通过圣维南方程组的有限差分数值解并使用比例控制方式，编写出计算机程序，实现了自动上游控制灌溉渠道系统的计算机模拟。

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Based on available research results the author probes into the numerical modeling of velocity field of upstream and downstream flow of project with asymmetric plan layout of gate and plant.

在现有研究成果的基础上，对闸站平面不对称布置枢纽上下游水流流场的数值模拟方法进行了探讨。

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Li Fei, analyst for Dagong Global Credit Rating Company and author of the bond rating report, told FORBES that optical fiber preform is the upstream product of the optical fiber industry and requires high technical content in its manufacturing techniques.

FORBES: Technology Breakthrough Makes Chinese Fiber Optics Entrepreneur A New Billionaire