You can use a formal or informal version control system.

可以使用正式的或非正式的版本控制系统。

youdao

This show the system can work well under most normal and informal situations. The stability and reliability of control system is highly improved.

证明该系统在绝大多数正常和非正常情况下均能可靠工作，极大的提高了控制系统的稳定性、可靠性。

youdao

This show the system can work well under most normal and informal situations. The stability and reliability of control system is highly improved.

证明该系统在绝大多数正常和非正常情况下均能可靠工作，极大的提高了控制系统的稳定性、可靠性。

youdao