文档由一个空密码保护。
可能的原因包括不允许空密码，登录时间限制，或强制的策略限制。
Possible reasons are blank passwords not allowed, logon hour restrictions, or a policy restriction has been enforced.
一旦有密码系统安装，斯托曼就将它破解，然后设为空密码并发邮件告诉同事们。
When a password system was installed, Stallman broke it down, resetting passwords to null strings, then sent users messages informing them of the removal of the password system.
对于主机密钥，您可能不需要密钥密码，所以您可以按Return使用空密码。
For host keys, you probably don't want a passphrase for the key, so you can just press Return to use a blank (empty) passphrase.
如果用户名和密码的其他两个来源为空，并且在每次使用后不能重新设置，则只能使用这些实例变量，所以每个请求都可能会使用它们。
These instance variables are only used if the other two sources of username and password are null, and are not reset after each use, so they can potentially be used on every request.
每次使用后，用户名和密码的线程本地存储值都被重新设置为空。
After each use, the thread local storage values of username and password are reset to null.
如果从数据库返回了一行，则使用非空的用户名和密码成员变量来填充userbean。
If a row is returned from the database, the UserBean is populated with non-null user name and password member variables.
另外，我指定我的用户名mito和一个空的密码分别作为第二个和第三个参数。
Additionally, I am specifying my username, mito, and an empty password as the second and third arguments, respectively.
用户名为空，密码不为空。
An empty value for user name and a non-empty value for password.
这些实例变量不能重新设置，如果它们不为空，则用于为每个请求提供用户名和密码。
These instance variables are not reset and, if they are not null, are used to provide the username and password on every request.
密码为空。
用户名不为空，密码为空。
A non-empty value for user name and an empty value for password.
使用任意（非空）值作为用户ID和密码，并单击TestConnection按钮。
Use any (non-null) value for user ID and password, and click the Test Connection button.
比如，用正确的/错误的/空的密码来测试密码功能。
For example, "Test current password with incorrect/correct/blank."
尽管ssh - keygen命令可以接受空的密码，但是在这种情况下私有密钥文件不加密。
Even ssh-keygen command will accept the empty passphrase, in which case, private-key file will not be encrypted.
如果从串行提示登录，可以使用root作为用户名，密码为空。
If you log in from the serial prompt, you can use root as the user name with a blank password.
默认情况下，ClearQuest测试管理利用一个管理员ID，即admin，密码为空，但是要确保将它更改为您选定的所需密码。
By default, ClearQuest test management USES an administrator ID of admin with an empty password, but be sure to change this to require a password that you choose.
如果新的SQLServer服务器上不存在标准的SQL Server登录，则会添加密码为空的登录。
If a standard SQL server login does not exist on the new SQL server server, you can add the login with a NULL password.
类似地，仍将检查线程本地密码，如果不为空，则使用它(并且在使用后重新设置为空)。
Similarly, the thread local password is checked and used if not null (and reset to null after use.)
如果想删除密码，请将密码设置为空。
属性为空，则不向用户提供密码恢复页链接。
Property is empty, the link to the password recovery page is not available to the user.
当您更改密码(家长控制)输入栏不为空：标记会加入到先前输入的密码。
When you change the password (for Parental Control profile) the entry field is not emptied: symbols are added to the previously entered password.
将本地管理员帐户的密码更改为空。
Change the password of local Administrator account to be empty.
管理员的帐户密码默认为空。
密码栏不能为空。
忽略安全威胁警告，保留密码为空。
Ignore the security threat warning, leave the password blank.
“用户名和密码不能为空”；
初始用户名admin密码为空为lp做的一个用于品牌电脑客户信息管理的程序。
The initial user name Admin password is blank for the LP to do one for the brand of computer customer information management.
原密码错误或为空。
在编辑模式下，如果不想修改用户密码，保持密码域为空。
In editing mode, leave the Password field blank in order to keep the user's password unchanged.
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