要将这个公式转换为一个表达式，你需要使用变量来记录半径及周长。
To translate this formula into an expression, you would use variables to record the radius and circumference.
这些表达式是使用函数构成的，结合这些函数来得到我们可能要查找的结果。
These expressions are formed using functions, which are combined to get the results we may be looking for.
该筛选表达式将产生一个整数序列，其中每个整数都小于1000且能被3或5整除。
The filter expression will result in a sequence of integers where each is less than 1,000 and divisible by 3 or 5.
因此，正则表达式 A*B将与字符串AB 、AAB 、AAAB或任何其它以 A 开头并以单个 B 为结尾的字符串相匹配。
Therefore the regular expression A*B will match the strings AB, AAB, AAAB, or any other string starting with an A and ending with a single B.
汽车上方的表达式假定共享的空间关系。
The expression above the car assumes a shared spatial relatum.
需要注意的是，得到的色散方程可以分解为两个表达式的乘积。
It is important to notice that the resulting dispersion equation is factorizable in the product of two expressions.
我们还在正则表达式语法中加入了一个连接词。
We're also putting in a conjunctional into our regex syntax.
推导了 RSPP到达间隔时间分布的表达式。
The expression of the interarrival time distribution of RSPP is derived.
为了这么做我们需要创建表达式。
我不喜欢编写表达式和语句。
这些类型涵盖了所有表达式。
下面的代码示例显示了jsp表达式。
将结果合并入答案的表达式。
某些序列有多个表达式。
中缀表达式到后缀表达式的转换。
简化表达式。
如前面所述，表达式节点还支持简单的算术和逻辑表达式。
As mentioned, expression nodes also support simple arithmetic and logical expressions.
对后缀表达式求值比直接对中缀表达式求值简单。
Evaluating a postfix expression is simpler than directly evaluating an infix expression.
在执行表达式时，计算表达式并将结果赋值给模式。
When the expression is executed, the expression is evaluated, and the results assigned to the pattern.
表达式——仅检查返回表达式结果的树内容(元素值)。
Expression — Only examines tree content (element values) returning the result of the expression.
所有括号内的子表达式都求值完毕后，表达式的其它部分再求值。
When all parenthetical subexpressions have been evaluated, the rest of the expression is evaluated.
每个表达式返回一系列的值，这些值又可以作为其他表达式的输入。
Each expression returns a list of values that can be used as input to other expressions.
由于模式是正则表达式，应确保转义正则表达式中的任何保留字符。
Since the pattern is a regular expression, be sure to escape any characters that are reserved characters in regular expressions.
}表达式的其他功能，比如延迟求值和设置EL表达式的值。
} expressions, such as deferred evaluation and the option to set the value of an EL expression.
函数表达式将一个函数应用到一个或多个输入参数以创建新的表达式。
Functional expressions apply a function to one or more input arguments to create a new expression.
如果一个表达式包含超出远程限制的值，那么就不能下推那些表达式。
If an expression contains values outside the remote limits, those expressions cannot be pushed down.
主题表达式包含表达式类型、完全限定主题名称和前缀映射。
A topic expression is defined in terms of expression type, fully qualified topic name, and prefix mapping.
除了简化元素嵌入，紧凑表达式也提供一种引用和重用策略表达式的方法。
Besides simplifying element nesting, compact expression also provides a way to reference and reuse policy expressions.
相反，应该只使用嵌套度量的SQL表达式模板产生的表达式。
Rather, just the expression resulting from the SQL expression template should be used from the nested measures.
相反，应该只使用嵌套度量的SQL表达式模板产生的表达式。
Rather, just the expression resulting from the SQL expression template should be used from the nested measures.
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