/) 后跟一个或多个指定所需命令的字母构成：
指定命令行参数的规则 |
CD Designer 的命令行参数由一个空格，或一个空格和一个正斜杠 (/) 后跟一个或多个指定所需命令的字母构成：
/D
The letter(s) that specify the desired command can be followed by an equals sign and additional data:
/D=data_file_name
Multiple parameters on a command line must be separated by a space followed by a forward slash (/).
No spaces are permitted within the parameters, only between the parameters. 不过，新版 Windows 允许文件夹和文件名中使用空格。 For information on including these folder and file names in your command line parameters, refer to Using Spaces in File Names.
/F=document_file_name/D=data_file_name
参数内有多余的空格：
/F
=document_file_name /D=data_file_name
参数间没有分隔符：
/F=document_file_name/D=data_file_name
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