英语语法分析

Researches showed that aseptic loosening is the consequence of coaction of many factors, and can not be ascribed to single factor.

目前的研究表明，无菌性松动是多因素共同作用的结果，不能归于某种单一的因素。

The duality of wave transformation under the coaction of both wave and currents on a gentle sloping beach was discussed in this paper.

本文讨论了在平缓海底上在波流共同作用下规则波变形的二元问题。

The pile groups efficiency is larger than 1 in the condition of the test. The coaction of pile-soil-cap should be considered in optimum design of pile foundation.

认为类似该场地条件下群桩效率系数大于1，在实际的工程桩基设计中应考虑共同工作以优化设计。