From the viewpoint of hydrology, hydrolics and geology, the paper deals with the factors worth consideration in pipeline river-crossing design and the principle of design.
本文从河流学、水文学、水力学和地质学的观点，介绍管道穿越河流的设计中需要考虑的因素和设计准则。
The configuration, function, working principle and design method of a wireless remote measurement system of drill hydrology based on GPRS were introduced in this paper.
针对某大型武器装备系统庞大、故障检测难的特点，提出一种基于无线遥测技术的在线监测与故障诊断方案。
The configuration, function, working principle and design method of a wireless remote measurement system of drill hydrology based on GPRS were introduced in this paper.
针对某大型武器装备系统庞大、故障检测难的特点，提出一种基于无线遥测技术的在线监测与故障诊断方案。
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