安全预评价是一个复杂的技术经济系统工程，其影响因素、关联变量和约束条件复杂。

The safety pre evaluation is a complex technology economic system engineering and it is complex due to influential factors, on relation variables and constraining conditions.

youdao

这些先前的研究都考察了不同的环境、社会和地理变量与在特定地点发现的多种语言之间的关联程度。

These prior efforts all examine the degree to which different environmental, social, and geographic variables correlated with a number of languages found in a given location.

youdao

实际上，这些变量是相互关联的。

In reality, these variables are all related.

youdao