Middle name should be an optional field.
中间名应该是可选的字段。
Example: Adding optional field country to the create operation as follows.
示例：向create操作添加可选字段country，如下所示。
Faultactor is an optional field that indicates the URI of the source of the fault.
Faultactor是可选的字段，它表示错误源的URI。
When you send an optional field, you simply send that optional field (or you don't).
当发送可选字段时，只能发送那个可选字段(或是不发送)。
Known hosts file (optional field) : The file that contains a list of known hosts.
Knownhostsfile (optional field)：包含已知主机列表的文件。
But if the string is an address or optional field, you may have megabytes of zeroes on disk.
但如果字符串是一个地址或可选的字段，那么磁盘上可能会有成兆字节的零。
Any optional field for which there is no meaningful data contains a zero (0) or a space as a placeholder.
任何不具有意义资料的选择性栏位都会包含一个零(0)或空格做为预留位置。
Additionally, determine how making a specific optional field into a required field or adding a new value to a selection list can be accomplished.
此外，还要确定如何把某个可选字段变为必需字段或者向选择列表增加的新值。
The label field in this extension is optional.
这个扩展中的标签域是可选择的。
The tag file defines two attributes: the name of the required field and an optional error message.
这个标记文件定义两个属性：必需字段的名称和一个可选错误消息。
You made this element optional for backward compatibility, but you'll notice that the optionality of this field is a good idea anyway, because not all addresses have apartment Numbers.
您可以使这个元素为向后兼容的可选项，您会发现这个字段的这个可选性是一个很不错的主意，因为并不是所有的地址都有房间号码。
More complicated code is needed to provide more advanced configuration, such as configuring the hide/show status of a field or configuring the optional values in a drop-down list.
要提供更高级的配置，需要提供更复杂的代码，如配置某个字段的隐藏/显示状态，或者配置下拉列表中的可选值。
This field is optional, as are all the others.
该区域是可选的，其他所有的区域也是可选择的。
Subject: The Subject field – if one was included as an optional parameter to the publish API call along with the message.
标题：标题字段 –如果这是包含在消息中作为发布API的一个可选参数的话。
There's a location field that is free form, user defined, and optional geocoding data.
有一个位置字段，它是自由格式的、用户定义的以及可选的地理编码数据。
Each parameter has a field that specified the type of parameter that can be input, and another that specifies whether the parameter is optional or not.
每个参数包含两个字段，一个指定可以输入的参数类型，另一个指定参数是否为可选。
Otherwise, this field is optional and can be enabled when case sensitive authorization check is required.
否则，该字段是可选的，并且在大小写敏感验证检查必须进行时可以被激活。
The optional values of a field can also be configured.
还可以配置某个字段的可选值。
As seen in Listing 3, the comment field is the optional.
如清单3中所示，注释字段是可选的。
This is followed by an optional Targets field where the user can define a list targets to be called by the build utility.
接下来是一个可选的Targets区域，用户可以在这个区域内定义一个构建工具所访问的列表对象。
If the required field is set to false, the parameter is optional.
如果将“必需”字段设置为false，则参数为可选参数。
The keywords should be the first field of each non-comment line; the string quotes that you typically associate with a char* are optional here.
关键字应该是每一个非注释行的第一个字段；通常与char*相关联的字符串引号是可选内容。
It's the list of field names, types, and optional additional information (like the size, nullable, etc.) that adds some complexity.
它是字段名称、类型和可选附加信息(如大小、nullable)的列表，这些可选附加信息会使名称变得比较复杂。
Each "field" defines a named region of memory 1 or more bytes long, with an optional text description that is meaningful within the context of your program.
每一个“字段”都定义了内存1的命名区域或者更多的比特，以及一个在程序内容中有意义的可选文本描述。
Most of these fields are optional, so your package will not have to include every field described here if they aren't relevant to your package.
这些字段中的大多数都是可选的，因此如果有某些字段与您的软件包无关，那么您的软件包就无须包含所有这些字段。
Make all field connections to the remote alarm functions and any other optional features. Do not connect AC power.
进行所有远程警报功能和任何其它选择功能的现场连接。不要连接交流电源。
The field labeled Optional Parameters in the invocation screens in Figures 1 and 2 controls the set of analyzers that are to be executed, as well as other runtime options.
图1和2中调用屏幕的标签为optionalParameters的字段控制将执行的分析程序集，以及其他运行时选项。
Pull all wires necessary for field connections, remote alarm functions, AC power and all other optional features.
拉出所有用于现场连接、远程警报功能、交流电源和所有其它选择功能所必需连接的电缆。
Optional: Rocketmen to his bunker, Riflemen to your blue field bunker.
可选的：火箭兵去对方的地堡，机枪兵去你的蓝矿地堡。
Optional: Rocketmen to his bunker, Riflemen to your blue field bunker.
可选的：火箭兵去对方的地堡，机枪兵去你的蓝矿地堡。
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