But there were no significant changes in the control group.

对照组动物未见明显变化。

youdao

The report takes a base case with no significant changes in the policy environment.

报告提出一种中方案情形，假设政策环境没有发生重大变化。

youdao

The report takes a base case with no significant changes in the policy environment.

报告提出一种中方案情形，假设政策环境没有发生重大变化。

youdao