Second, you can easily substitute variable values inside strings.
其次，可以轻易地替换字符串中的变量值。
Then you substitute the num variable to create the host you're going to SSH to.
然后替换num变量，创建通过SSH连接的主机。
You can substitute this value with your own text string or a value from another data source, such as a data pool, reference, custom code, or another test variable.
您可以使用您自己的字符串，或者来自另一个数据源的值来替换该值，这些数据源包括数据汇，引用，通用代码，或者其他的测试变量。
Template filters allow you to substitute that variable declaration with an actual value that you establish at runtime.
模板过滤器允许您用在运行时建立的实际的值代替变量声明。
One kind of simple and constant length distributed chromosome is proposed to substitute the complex and variable length tree structure chromosome for a particular kind of genetic programming problem.
对一类遗传程序设计问题，提出了简单等长的分布式染色体，取代复杂变长的树结构染色体，使演化算子操作更方便，个体复杂度得到有效控制。
One kind of simple and constant length distributed chromosome is proposed to substitute the complex and variable length tree structure chromosome for a particular kind of genetic programming problem.
对一类遗传程序设计问题，提出了简单等长的分布式染色体，取代复杂变长的树结构染色体，使演化算子操作更方便，个体复杂度得到有效控制。
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