相反，他把这一案例描述成“健康和安全措施的完全失效”的一个例子。

Instead he describes the case as an example of a "total failure in health and safety procedures".

youdao

这会产生大量的放射性气体和颗粒，如果第一层和第二层安全壳都失效的话，大量放射性气体便会泄漏到外界。

Then you have a huge amount of radioactive gases and particles, and if the primary and secondary containment fails, you have a large amount of radioactive gases escaping into the environment.

youdao

这个修订历史是有行为创建的，比如激活项目的安全性或者使之失效，更改项目的结构，等等行为。

The revision history is created by actions such as enabling or disabling project security, changing the project structure, and so forth.

youdao