Message in Chinese (Simplified) (中文(简体))![](/img/flags/zh-Hans.png)
指定的参数名“<var>X</var>”无效。参数名必须以字母开头,并且只能包含字母、数字和下划线。
Unlocalized message![](/img/flags/en.png)
The specified parameter name '<var>X</var>' is not valid. Parameter names must begin with a letter and can only contain letters, numbers, and underscores.
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