According to different definitions, there are different methods for efficiency calculation and appraisal.

根据不同的定义，效率有不同的度量与评价方法。

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By the test, appraisal, analysis and calculation, it analysed the cause of the dwelling houses subsidence and slant roundly and confirmed its damage.

通过对职工住宅楼的检测、鉴定、分析、计算，全面分析了该建筑物沉降与倾斜的原因，确定房屋损伤的程度，提出了治理的方案。

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Even though future changes are difficult to foresee and the farther ahead one looks the more blurred things seem, a general calculation is possible and an appraisal of distant prospects is necessary.

尽管往后变化难测，愈远看愈渺茫，然而大体的计算是可能的，估计前途的远景是必要的。

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