The author analyzed and studied the speeds of deep-V planning boat in trial, and some approaches to the speed problem arising from the sea trial were put forward on the basis of trial data.

通过分析深v型滑行艇的实艇在预试航过程中出现的航速问题，在总结实艇试航的各项技术数据的基础上，有针对地分析和研究产生问题的原因。

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Part V: Construction of China's environmental public interest litigation system put forward some concrete ideas.

第五部分：对我国构建环境公益诉讼制度提出了一些具体构想。

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The simulation analyzing method was put forward for the problem to analyze the influence of V form skylight on capacity of railways.

针对分析铁路V型天窗对线路能力影响的问题，提出了模拟分析的方法。

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There is a controversial theory put forward by economist Steven Levitt that the increased availability of legal abortion after the Supreme Court ruling in 1973 on Roe v Wade meant that fewer children were born to young, poor, single mothers.

BBC: US crime figures: Why the drop?