本文论述了于桥水库大型水生植物的现状、作用、管理和保护对策及管理和利用中存在的问题。

The current situation, function, management and protective measures of the macrophytes in Yuqiao Reservoir are discussed.

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交流电桥的平衡不仅取决于桥臂参数的性质，还取决于调节参数的选择，要同时满足幅值和幅角的两个平衡条件，至少需要调节两个参数来实现。

To meet the needs of the two balance conditions of both argument and amplitude simultaneously, at least, two parameters should be adjusted.

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像这样的海洋建筑技术非常复杂，有些类似于尝试在水下建筑一座桥。

Marine construction technology like this is very complex, somewhat analogous to trying to build a bridge under water.

《柯林斯英汉双解大词典》

Student: People who take the rickety bridge might be the kind of people who are more looking for adventure than the people who take the solid bridge.

学生：,过摇晃桥的男学生,可能更倾向于冒险,不像那些过平稳桥的男学生。

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