The genetic variation comes mainly from population, the source of variation among populations is relatively little.

遗传变异主要来源于种群内，居群间变异来源比较小。

youdao

A firm's embedness in a network of ties is an important source of variation in the acquisition of competitive capabilities.

本文论述了企业知识网络的重要性，说明企业在关系网络中的嵌入是获取竞争能力的重要来源。

youdao

Experience shows that in creating theinitial data table and in the graphical representation of the process, thehuman element is a frequently overlooked source of variation.

经验表明，在创建初始数据表和用图形表示的过程的时候，人为因素是一个经常被忽视的一种波动来源变量。

youdao

Countless firms, busily tinkering with their business models, provide a source of variation.

ECONOMIST: Evolutionary economics is surviving, but not thriving

"The initial set of indicators suggests wide variation in both practice and outcomes between maternity units which is a source of concern for the specialty as we cannot be sure that every woman is getting the best possible care, " he said.

BBC: Maternity care varies across England