Practical problems concerning direct current measurement in very shallow water including the dynamic equation and performance of a rotor type currentmeter are discussed in this paper.
本文简要介绍了超浅海水域中直接测流的实际问题，讨论了海流计的动态方程及其特性。
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The IC card watermeter which can realize intelligent and digital display is used to measure the watercurrent in pipe and manage prepaying of water.