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- Specifies a location and name for backup pieces and copies. You must use substitution variables to generate unique filenames. 为备份文件指定一个名字和路径，必须用替换变量的方法生成独一无二的文件名。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- The prices are variable, shop around by all means. 价格高低不一，所以一定要货比三家逐店选购。
- We use saccharin in substitution for sugar. 我们用糖精代替糖。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- A finite increment in a variable. 变量增量变量的有限增量
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- Winds are mainly light and variable. 风力较弱，风向多变。
- PHP 4 adds a new mechanism to variable substitution in strings. PHP 4添加了一个新的机制以替换字符串中的变量。
- A programmed time delay of variable duration. 暂停，展宽一种由程序设置的可变持续时间的时间延迟
- substitution variable 替换变量
- Looking at many templating solutions available for PHP today, most of them provide a rudimentary way of substituting variables into templates and do a limited form of dynamic block functionality. 纵观现今存在的许多php模板解决方案,大多数都只是提供了用模板取代变量和将动态区块的功能有限的格式化的基本方法。
- Substitution of a new obligation for an old one. 更新新契约对旧契约的替代
- The substitution of coal for oil is desirable. 以煤代替石油是可取的。
- A substitution, an exchange, or an interchange. 交换代替、交换或互换
- An estimator is a random variable. 估计量是一个随机变量。
- The substitution of the phoneme/l/ for/r/ . 错把1音发成r。
- A variable resister is called a rheostat. 可以调节的电阻器叫做变阻器。
- Most programs can make a reasonable substitution. 大多数程序员可以找到更合理的替代方式。
- There are two ways to refer to a static variable. 有两个办法可引用一个static变量。
