Feasibility, validity and other problems of line transect survey method in shallow fresh water lake were also discussed.

探讨了截线抽样法用于浅水型淡水湖泊调查的可行性和有效性以及要注意的问题。

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In this paper, some basic problems of nonlinear shallow water wave model are studied.

本文对浅水非线性波模型的若干基础问题进行研究。

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Practical problems concerning direct current measurement in very shallow water including the dynamic equation and performance of a rotor type current meter 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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Practical problems concerning direct current measurement in very shallow water including the dynamic equation and performance of a rotor type current meter 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。

youdao