该组合键无效。组合键必须由零或多个组合键和一个单键组成。
This key combination is not valid. Key combinations must consist of zero or more modifier keys and a single key.
单元测试：给一个无效的PHP数组键不打破。可能吗?。
Unit Testing: Give an invalid array key that doesn't break PHP. Possible?
无效的关系定义：不同长度的键。
自而可以通功情景剖析和果果剖析得出影响威宽险的闭键果荤排序，入行无效的威宽险管理。
Thus can analyze that it influences the key factor of the risk to arrange in an order to obtain through scene analysis and cause and effect, carry on effective risk management.
该组合键无效。
只有在用户输入“安全”又使其按一下按“确定”键无效时，应用程序变得容易了。
Only after a user enters "Security" again to make it inactive by clicking the pressing "OK" key, the application becomes accessible again.
只有在用户输入“安全”又使其按一下按“确定”键无效时，应用程序变得容易了。
Only after a user enters "Security" again to make it inactive by clicking the pressing "OK" key, the application becomes accessible again.
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