Its practical application indicates that the method is able to analyze and assess the navigation safety of wharf engineering and have application value.

实际应用表明，该方法能客观、合理地分析与评估码头工程的通航安全，具有较好的应用价值。

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We can evaluate safety value in quantity by using negative value and value engineering method.

使用负价值理论法和价值工程法可以对安全价值从量上进行初步评价。

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Controlling the orientation of testing value of safety margine can reduce the risk of engineering construction quality.

通过控制检测值之安全储备的方向性，可以降低工程施工质量的风险程度。

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