使用条件是控制流的另一种方式。
使用条件逻辑回归对数据进行分析。
The data were analysed using conditional logistic regression.
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.
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.
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.
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.
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
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.
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.
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.
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.
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.
要记住，与部署于典型的数据中心环境中的产品相比，云中的SaaS产品有着不同的部署和使用条件。
Keep in mind that a SaaS product in the cloud has different deployment and usage conditions than a product deployed in a typical data center environment.
当不再使用条件变量时，应该调用pthread_cond_destroy释放它在初始化时分配的资源。
When you're done with a condition variable, you can release any resources allocated during initialization with a call to pthread_cond_destroy .
与西雅图的工程相似的是，这里的项目也需要新的钻探技术，包括在上马巨型隧道掘进机(TBM)前使用探孔来评估土质条件。
Similar to the Seattle project, this one required new drilling techniques, including the use of probe holes to assess ground conditions ahead of the huge tunnel-boring machines (TBM).
不适当、不合理地使用抗菌素药物，为耐药微生物的出现、传播和持续存在带来了有利的条件。
Inappropriate and irrational use of antimicrobial medicines provides favourable conditions for resistant microorganisms to emerge, spread and persist.
要求学生使用if来组成条件状语从句。
Ask the students to make up sentences using the adverbial clause of condition with if.
在调查过去的气候条件时使用的一种非常古老的方法是测量古代湖泊的水位。
One very old method used in the investigation of past climatic conditions involves the measurement of water levels in ancient lakes.
我们在学习使用未来条件。
箭头上的文字表示继续转换所必须满足的条件，总是使用格式“[条件]”来描述。
The text on the arrows represent conditions that must be fulfilled to proceed along the transition and are always described using the format "[condition]".
可以使用这些条件来指定何时应该自动跳过该步骤。
These conditions can be used to specify when the step should be automatically skipped.
否则，使用谓语条件(p)作为参数传递。
Otherwise, use the predicate condition (p) passed as a parameter.
在使用XPath编写条件时，可以使用相对或绝对路径。
While writing conditions using XPath, you can use relative or absolute paths.
为解决此缺憾，我使用POSIX条件变量模拟同步原语，并在一系列文章中对此进行了概述。
To work around this omission, I use the POSIX condition variable emulations synchronization primitives, which are outlined in the series of articles.
在搜索条件中使用通配符
还可以通过使用WHERE条件、ORDER BY、GROUP BY 子句执行过滤操作，或者执行常规基表适用的其他操作。
You can also perform operations such as filtering, using WHERE conditions, ORDER BY, GROUP BY, and other operations that would be possible with a regular base table.
正确使用volatile变量的条件。
不过，为了匹配示例所使用的条件，有必要确保您在CEI实现上启用了CEI服务器。
However, in order to match the conditions in which the sample was used, it might be worthwhile to ensure that you have the CEI server enabled on your CEI implementation.
通过应用这个简单的概念，您可以根据其他类似的条件，使用多个样式表。
You can apply this simple concept to use multiple style sheets based on other similar conditions.
应用推荐