The USP is under continuous revision, and we make changes to the methods to improve existing procedures or to allow the user to obtain better results.

USP对方法进行持续修订，并对方法持续变更以优化现有测试方法或让用户得到更合理的结果。

youdao

The USP is under continuous revision, and we make changes to the methods to improve existing procedures or to allow the user to obtain better results.

USP在持续修订，我们会对方法进行变更以改进现有程序，或使得使用者得到更好的结果。

youdao

Under the existing system, patients or their families are expected to follow set procedures.

BBC: How the NHS deals with complaints