Therefore the JSR 168 API differentiates whether a value is set or not by specifying a default value that is returned if no value is set.
因此，如果没有设定值的话是否通过指定一个返回的默认值，JSR 168API是区别对待的。
We need to add "propagate system context" to the import binding to enable the propagation since the system context is designed to not propagate by default.
由于systemcontext被设计为在默认情况下不会被传播，因此我们需要在导入绑定中添加“Propagate system context”来启用传播。
Segment E - By default, this segment is not used.
段E-在默认情况下，这个段是不用的。
By default, EMF does not use dynamic templates when generating code for models.
默认情况下，在为模型生成代码时，EMF不会使用动态模板。
This checking is not performed by default.
在默认情况下，不执行这种检查。
By default, this feature is not enabled.
在缺省情况下，此功能未启用。
它在默认情况下不启用。
By default, locking counters are not gathered.
默认情况下，锁计数器不会被收集。
Perhaps most interesting of all, the RODC does not replicate user passwords by default.
也许最令人感兴趣的是，在默认情况下，rodc不复制用户密码。
Note that, by default, chunks are not extendable.
注意，默认情况下块是不可扩展的。
Foreign buses, however, are a resource to which access is not allowed by default within a secure bus.
不过在安全总线中，外部总线是在缺省情况下不允许访问的资源。
By default, though, NFS is not configured for high-volume use.
但是，在默认情况下，NFS的配置不适合大容量磁盘。
This is the reason why the process choreographer database schema does not define any indexes by default for the audit log table.
这也是为什么流程编排器数据库模式缺省没有为审核日志表定义任何索引的原因。
This is different from previous releases where lightweight components were not focusable by default.
这不同于前几个发行版—轻量级组件缺省情况下不可定焦。
However, this channel is not created by default and must be added manually.
不过，此通道在缺省情况下是没有创建的，而是必须手动添加。
Attributes are not influenced by the declaration of a default namespace.
属性不受缺省名称空间声明的影响。
Though it offers a plethora of options, you do not need to use them by default.
尽管软件提供了大量选项，默认情况下不需要使用那么多。
This feature is not enabled by default unless you are using the new automatic storage table space feature in V8.2.2 - then it's the default.
该特性不是默认启用的，除非使用V8.2.2中新的自动存储表空间特性 ——它才是默认的。
However, in order for this mixed environment to work, certain V6 performance enhancements are not turned on by default.
然而，为了使该混合环境有效，将默认关闭某些版本6的性能增强。
With AIX 6.1 AIO subsystems are now loaded by default and not activated.
在AIX 6.1中，在默认情况下装载aio子系统，但是不启动。
Not filtered by license (the default).
不根据许可过滤(默认)。
These features are not all enabled by default, but must be configured by the Document Manager administrator (you).
这些特性在默认情况下都是未启用的，必须由DocumentManager管理员（您）进行配置。
The manifest target does not exclude any files by default.
缺省情况下，manifest目标不排除任何文件。
The Task List is, however, not available by default, even with the Version 5.1.0.3, you need to install and configure it properly prior to its use.
不过，TaskList并不缺省提供，甚至版本5.1.0.3 也是如此，所以在使用之前，您需要安装并适当对其进行配置。
This portlet is not installed by default but is available as a Web module on all installed systems.
这个portlet并不是缺省安装的，而是在所有已安装的系统中作为WEB模块来使用的。
The property sheet helps to provide more attribute values that are not provisioned by default and can be quite helpful in searching for content in Lotus Quickr.
属性表可以帮助提供更多默认没有提供的属性值，这些属性值对于搜索Lotus Quickr中的内容非常有用。
SourceViewers by default are not equipped with content assistants.
SourceViewers默认情况下没有配备内容助理。
Strangely enough, the package group Editors is not selected by default.
相当奇怪的是，缺省情况下并没有选中Editors软件包组。
The predefined report templates are not installed by default on the Rational Team Concert server.
默认条件下在Rational Team Concert服务器上并没有安装预定义的报表模板。
Other multi-finger gestures are not implanted by default but can simply be added by any developer by reading apple's online guides.
其他多指手势并没有缺省内置，但开发者在读过Apple的在线指南后可以轻松地添加进来。
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