合法性检查 meaning in Chinese

validity check

Some validation of the xpath syntax is also provided ; if the expression is invalid an error message is displayed under the editing area
资料存取设计器还提供xpath语法合法性检查。如果表达式不符合语法，那么在编辑区域的下面将显示一条错误讯息。
Using the disk arrays " infortions stored in the internal data structure implemented by the author and his teammates , commands from users are to be validated . so a more robust logical disk array appears in the user " s view
设计并实现了用于存储磁盘阵列信息的内部数据结构，通过对命令的合法性检查，为用户提供了一个更加健壮的逻辑磁盘阵列。