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。
2
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。
3
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.