This study is in the state of nature without any intervention.

本研究在自然状态下进行，对锻炼者不采用任何干预措施。

youdao

The schools carry out all teaching and assessment alone without any intervention or supervision from the IBO.

学校独自开展所有的教学和评估工作，国际文凭组织不进行任何干预或监督。

youdao

I trust nature, I trust my body, and I trust the millennia of mothers who birthed before me successfully - and most of them without any help or without any intervention...

我信任大自然，我也相信我的身体，我相信千年来在我之前就这样生小孩的妈妈们，而且她们大部分都没有接受帮助或干扰。

youdao

Led by Nobel laureates like Ronald Coase, economic scholars demonstrated clearly that actions by private agents can lead to efficient outcomes without any intervention by government.

FORBES: The Marcellus Agreement: Please Frack Responsibly

So far, the cars have have racked up more than 300, 000 driving miles, and 50, 000 of those miles were without any intervention from the human drivers, Google says.

CNN: Self-driving cars now legal in California

It had been allowed to die without any intervention.

BBC: 'Worst ever' animal neglect case