Half of the students in four large philosophy classes read an article on the ethics of factory-farmed meat, optionally watched an 11-minute video on the topic and joined a 50-minute discussion.
在四节大型哲学课上，一半学生阅读了一篇关于工厂化养殖肉类的伦理文章，非强制性观看了一段11分钟的视频，并开展了50分钟的讨论。
It optionally takes three arguments.
它可以有选择地带三个参数。
The binding can also optionally reference an interface.
该绑定还可以选择引用某个接口。
The (unmounted) image can then be optionally compressed.
然后，(未装载的)映像可以进行压缩。
The PC8 supports Windows XP: Linux is optionally available.
PC8支持WindowsXP操作系统，Linux操作系统是可选项。
WSDL definitions can optionally be split into multiple files.
可以选择将WSDL定义拆分为多个文件。
Note that the default interface name can optionally be changed.
注意，默认的接口名称也是可以更改的。
GC occurs in three phases: mark, sweep, and optionally compact.
GC有三个阶段：标记、清除和可选地整理。
Within the network, optionally caching proxies can be installed.
在网络中，可以选择安装缓存代理。
You may optionally also generate HTML documentation during installation.
可以选择在安装期间生成HTML文档。
LinkedBlockingQueue: An optionally bounded queue backed by linked nodes.
LinkedBlockingQueue：一个由链接节点支持的可选有界队列。
The cache services can be optionally wrapped by a cloud resource adapter.
缓存服务可以选择用一个云资源服务适配器进行包装。
In addition, you can optionally provide a virtual machine naming format.
另外，还可以提供虚拟机命名格式。
DB2 allows you to (optionally) validate XML documents against XML schemas.
DB 2允许(可选地)根据XML模式验证XML文档。
Struts applications can optionally use a properties file for holding text.
Struts应用程序可以有选择地使用一个属性文件以保存文本。
The import statement can import multiple classes and optionally rename them.
import语句可以导入多个类并可以重命名它们。
Each operation is defined through an input and, optionally, an output message.
每个操作都是通过输入消息和可选的输出消息定义的。
The handle to the interface and optionally the object UUID is also specified.
还可以指定接口的句柄和对象UUID。
You can optionally click View Features to see which features will be installed.
您可以选择性地单击ViewFeatures查看将要安装哪些功能。
The Server can optionally include a request for the Client's digital certificate.
服务器可以包括对客户机的数字证书的请求，这一点是可选的。
Indexes are defined to optimize queries and, optionally, to guarantee uniqueness.
可选地，定义索引来优化查询和保证唯一性。
IBM Directory Server (IDS) can optionally be used to provide user authentication.
可以选择采用IBMDirectoryServer (IDS)来提供用户认证。
Cached state can optionally be indexed, allowing the entire grid to be searched.
我们可以对缓存状态加索引，这样就能搜索整个网格了。
It takes up to three parameters: a subject, predicate, and, optionally, an object.
该方法最多要用三个参数：一个subject、一个predicate和一个可选的object。
For every property we specify a name, type and optionally one or more annotations.
对于每个属性我们都会指定名称和类型，并有选择地加上一个或者多个注解。
The client can optionally be anonymous, depending on the configuration at the server.
而客户端有时可能是匿名的，具体取决于服务器的配置。
The facade EJB methods could be optionally secured with J2EE authorization constraints.
能够采用可选的方式使用J2EE授权约束对FacadeEJB方法进行保护。
If it is an invoke activity or human task activity, input data can be optionally provided.
如果是调用活动或人工任务活动，则可以有选择地提供输入数据。
If known, you can optionally specify an estimate for the execution frequency of each query.
如果知道的话，您可以选择指定每个查询的大致执行频率。
If known, you can optionally specify an estimate for the execution frequency of each query.
如果知道的话，您可以选择指定每个查询的大致执行频率。
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