a certain relation 某种关系
having certain relation 有一定的相关
had a certain relation 存在一定的相关关系
has a certain relation 有一定关联
satisfy a certain relation 满足一定关系
certain linear relation 一定的线性关系
certain economic relation 一定经济关系
The diopside is not of certain relation to the metallization.
某些矿床中发育的纯透辉石层与成矿不具必然联系。
There is a certain relation between safety cost and the main safety indexes.
安全投入与主要安全指标之间存在一定的函数关系。
There are certain relation between shame-proneness and self-esteem and locus of control.
羞耻倾向与自尊和心理控制源倾向之间存在有意义的关系。
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