You can change the APP variable to whatever source file suits you.
可以将APP变量改变为任何您所使用的源文件。
Alternatively, you can put the password in a file and source it into the variable.
也可以把密码放在一个文件中，然后把它提供给变量。
Defining a variable here makes it easy to switch to another data source.
在这里定义一个变量会使切换到另一数据源变得容易一些。
At a certain point in the source code, a variable has a certain value.
在源代码中的某处，某变量有特定的值。
First off, the variable name doesn't match the source code.
首先，变量名与源代码不一致。
CHAR is a global variable which will always hold the source program being scanned.
CHAR是全程变量，它总存放当前所扫描的源程序的字符。
Responsible for the identification of environment aspects, and dangerous source and energy variable.
识别本部门的环境因素、危险源和能源变量辨识。
Responsible for the identification of environment aspects, and dangerous source and energy variable.
识别本部门的环境因素、危险源和能源变量辨识。
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