他们估算可以将此装置的效率提高2倍，并全力以赴努力实现这一设想。
They reckon they can triple the efficiency of such devices, and thus launch them on the path to success.
因此有必要通过实验及理论研究等工作，对公路桥梁伸缩装置进行疲劳破坏机理分析和疲劳寿命估算。
Therefore, it is necessary to analyze the mechanism of the fatigue damage of bridge expansion device and estimate its fatigue life by theories and experiment.
为使波力发电装置的容量与波浪力大小相匹配，就必须具备比较准确的波浪参数资料，并据此对安装波力发电装置海区的波浪能量进行估算。
In order to match the capacity of wave power generation equipment with the magnitude of wave force it is necessary to urderstand the more accurate data of wave parameters.
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