down stream是什么意思

用法例句

His research result "Hezhe Nationality in Lower Reaches of Songhua River" is a monument to Chinese ethnology and is the starting point of ethnological field work of China.

凌纯声是中国当代著名的民族学家、人类学家,在民族学中国化的前进道路上,他迈开的第一步就是进行松花江下游的民族调查,其成果《松花江下游的赫哲族》为中国民族学树立了一块具有开创性的历史丰碑,堪称中国民族学田野工作的起点,为中国民族学调查研究树立了模范的样板。

Investigation and analysis of influence of rservoirs on downstream areas in Guangxi;

广西水库对下游影响情况的调查与分析

Measurement system of ecologic restoration at downstream of the Tarim River;

塔里木河下游生态修复措施体系探讨

The decay of a stationary perturbation from the Couette-Poiseuille flow in the downstream is sought.

对０到２０００之间的雷诺数，计算了平稳扰动的Ｃｏｕｅｔｔｅ－Ｐｏｉｓｅｕｉｌｌｅ流的下游特征值，其特征方程类似于Ｏｒｒ－Ｓｏｍｍｅｒｆｅｌｄ方程。

Research advances in production of ethanol amine and its downstream products;

乙醇胺及其下游产品的研究现状

Production,application and development of downstream products of dimethyl ether;

二甲醚的生产、应用及下游产品的开发

Progress in production and application of downstream products of carbon disulfide;

二硫化碳下游产品的开发及应用进展

Auto-regulating function of channel of Lower Weihe River since 1960;

1960年以来渭河下游河道的自动调整作用

Stable lowering of Tongguan bed elevation and comprehensive regulation of the lower Weihe River;

潼关高程的稳定降低与渭河下游河道综合治理