使用条件是控制流的另一种方式。
通过对映射使用条件，可以控制映射的逻辑流。
Using conditions on mappings allows you to control the logical flow of the mappings.
可以使用条件确定是否在运行时出现特定映射。
Conditions can be used to determine whether a particular mapping will occur at runtime or not.
这些场所特性不同，使用条件也不同。
These places have different characters and conditions of use.
要了解使用条件的基本知识，考虑下面这个例子。
To understand the basics of using conditions, consider this example. A travel company is offering customers advice about their travel destinations in the form of one of the following tips.
审核和分析用户需求和设备使用条件。
Check and Analyze the Customers' Requirement and Equipment Application.
使用条件语句来激活函数的目的是什么？
What is the purpose of using conditional statements to activate a function?
您可以方便地创建变量、循环，使用条件和创建函数。
You won't have any trouble creating variables, looping, using conditionals, and creating functions.
使用时注意改善使用条件，防止外来破坏。
When used to improve the use of conditions to prevent foreign damage.
这时可以使用条件要求。
讨论了汽车用复合材料天然气气瓶的使用条件。
Service conditions of natural gas composite cylinders for automobiles are discussed.
这意味着您能使用条件来代替值，可使代码更简单、更干净。
This means you can use a condition in place of a value, which can result in simpler and cleaner code. In Blue, a condition takes the form
根据实验结果，确定了电解质材料的最佳使用条件。
According to the results of this experiment, the best working condition of this kind of electrolyte was also determined.
使用条件要求或间接条件要求。请见“要求”一节。
Use conditional requirements or indirect conditional requirements. See the section called "requirements".
好的，这是很好地满足了，解决问题的需求，但是没有使用条件。
Right. So this is a great way of like fulfilling the requirements of the problem step but not quite the spirit of using a condition.
您可能看到有些参考资料建议对iPhone内容使用条件CSS。
You may see some references that recommend using conditional CSS for iPhone content.
然后，您使用条件型if语句，以检查该命令的返回代码。
Then you use the conditional if statement to check the return code of the command.
介绍了牺牲阳极材料的选择、使用条件以及牺牲阳极保护的计算方法。
Then it introduced the selection of sacrifice anode materials, application conditions and the protective calculation methods.
推荐的方法是使用条件变量—即pthread_cond _ t类型的变量。
The recommended method is to use condition variables-that is, variables of type pthread_cond_t.
注意，门户提供缺省的“全能的”HTML设备，其使用条件是设备不在支持的设备列表中。
Note that the portal provides a default "catch all" HTML device, which is used if the device is not in the list of supported devices.
而POSIX条件变量将是我下一篇文章的主题，其中将说明如何正确使用条件变量。
And POSIX condition variables are the subject of my next article, where I'll show you exactly how to use them.
如果您的车辆使用条件极为尘土飞扬，你可以选择装备绞盘冷却风扇的高性能过滤器。
If your vehicle is used in extremely dusty conditions you can choose to equip the winch cooling fan with a high performance filter.
正如例8 - 2所示，我们使用条件语句来根据当前的游戏等级来初始化人的属性。
As shown in Example 8-2, we now have conditional statements that initialize the creature attributes to different values depending on the current game level.
使用条件的另一方法是将筛选器应用到可重复元素的列表上，如第2部分中的“筛选数组”中所述。
Another way to use conditions is to apply a filter to a list of repeatable elements.
可以在DataItem 中使用条件表达式屏蔽机密信息 —使用特定字符替换机密信息。
We can use conditional expressions in a Data Item to mask confidential information replacing these with specific characters.
不合适的使用条件会损坏电池的性能、降低寿命，甚至会使电池发热、冒烟、变形或燃烧。
Improper USES will damage the performance of the batteries, and reduce the life of batteries, it will even make batteries overheat, smoke, deformation or burn.
当然，您还可以创建一个全局的脚本，并使用条件和环境变量HOSTNAME以选择合适的设置。
Of course, you can also create a global script and use conditionals and the environment variable HOSTNAME to choose the appropriate settings.
如果使用条件4中指定的Web服务类型，那么这种类型的WSDL不允许导入WID本身。
If the web service of the type specified in condition 4, then this type of WSDL cannot be allowed to import in the WID itself.
如果使用条件4中指定的Web服务类型，那么这种类型的WSDL不允许导入WID本身。
If the web service of the type specified in condition 4, then this type of WSDL cannot be allowed to import in the WID itself.
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