To unset a variable, use unset.
使用unset取消变量。
Substituting for null or unset variables.
替换空变量或未设置的变量。
The unset values have no corresponding element in the file.
未设置的值在文件中没有任何对应的元素。
Gnuplot has a consistent way to undo sets: in gnuplot 4.0, the command is unset.
gnuplot有一种撤销设置的统一方法：在gnuplot 4.0中，命令是unset。
Nounset: If substituting, all unset parameters will be returned as an error.
nounset：如果执行替换，则所有未设置参数都作为错误返回。
Note that unset properties are not copied, nor are read-only properties.
请注意，未设定的属性不会复制，唯读属性也不会复制。
Use the cdr alter --off command to unset alter mode on the replicated table.
使用cdralter --off命令关闭复制表的 alter模式。
Using the CDR command line interface, unset the replication table from alter mode.
使用CDR命令行界面，关闭复制表的alter模式。
The reason that DS calls the set before the unset is to maintain continuity of the service.
DS在unset之前调用set的原因是维持服务持续性。
If not in silent mode, these errors cause a diagnostic error message and OPTARG is unset.
如果不是在静默模式，则这些错误将导致一条诊断错误消息而OPTARG不会被设置。
It's also why the unset method takes an argument, rather than just setting the service to null.
这也就是为什么unset方法还带个参数，而不是把服务设置为null的原因。
The 'Unassigned' check box allows you to query for uninitialized or unset fields of a work item.
“Unassigned”复选框允许您查询工作物件的未初始化或未设置的字段。
In fact, just setting extend size to 0 will unset the extendable flag for all chunks in that space.
事实上，仅仅将扩展大小设置为0会为该空间中的所有块消除可扩展标志。
If the variable is empty or unset, the given default value is printed instead. Default takes one argument.
当变量为空或者未分配的时候，将由给定的默认值替代输出。
If an unset variable can't produce a valid result, check for the variable and throw an InvalidArgumentException.
如果未设置的变量无法生成有效的结果，请检查变量并抛出InvalidArgumentException。
Because the desc attribute doesn't match the attribute named description, the value is not copied and the value is left unset.
因为desc属性不匹配名为description的属性，所以未复制并且未设置该值。
But with SECURE_NOROOT unset, a root process having dropped some capabilities can simply execute another program to regain its capabilities.
但是，如果没有设置SECURE_NOROOT，那么一个已经放弃一些能力的根进程只需执行另一个程序，就能够恢复它的能力。
You can "unset" the kernel configuration option CONFIG_MODULE_UNLOAD to remove a considerable amount of kernel functionality related to module unloads.
您可以“取消”内核配置选项CONFIG_MODULE_UNLOAD，删除大量与卸载模块相关的内核功能。
When you create a business object in your business logic, fields for which you don't call set() using the SDO API (or assign in the business process editor) are unset.
在业务逻辑中创建业务对象时，不使用SDOAPI调用set()（或在业务流程编辑器中指派）的字段为未设置字段。
We can test and unset individual instance properties of the contact. For example, if the user cleared the string in the interface, we could use this to signify unsetting.
我们可以测试和取消设置联系人的个别实例属性。
In some cases, such as when displaying data that has come back from the server, a field might have a value even though it is unset (SDO assigns a default value for some types when they are unset).
在某些情况下(如显示从服务器返回的数据时)，字段可能具有值，尽管该字段为未设置字段(当不设置某些类型的字段时，SDO将为其分配缺省值)。
Unset alter mode on the replicated tables.
关闭复制表上的alter模式。
Unset alter mode on the replicated tables.
关闭复制表上的alter模式。
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