Alterations to a system or to a computer program should only be made in accordance with a defined procedure which should include provision for validating, checking, approving and implementing the change.
Alterations to a system or to a computer program should only be made in accordance with a defined procedure which should include provision for validating, checking, approving and implementing the change.
系统的更换或者一个计算机程序的更换应当根据设定的规程来进行，这个规程应当包括对于验证、监察、审核和执行更换的规定。