Protective measures should be as close to the Earth's self-cycle.

保护的措施应该是尽量的接近地球的自我循环。

youdao

A second cycle is the self-loop of Task 2, which USES activity form.

第二个循环是Task2的自循环，它采用活动形式。

youdao

A second cycle is the self-loop of Task 2, which USES activity form.

第二个循环是Task2的自循环，它采用活动形式。

youdao