The syntax used in Listing 2 should be fairly easy for most developers to understand: using parenthesis to delimit groupings, | characters to indicate choices between alternatives, and?
清单2中使用的语法对于大多数开发人员而言是非常容易理解的：使用圆括号来划分组，使用|字符表示备选项，以及使用？
A blank space should not be used between a function value and its left parenthesis.
函数参数与左括号之间不应该有空格。
There should be no space between the name of a function and the left parenthesis of its parameter list.
函数名与((左括号)之间不应该有空格。)
If a function literal is anonymous, there should be one space between the word function and the left parenthesis.
如果函数是匿名函数，则在function和左括号之间应有一个空格。
So the question is: Do you have to have this space between the if and the parenthesis?
所以那个问题是：我们在if和括号之间,需不需要空格呢？
Unlike Groovy, Ruby doesn't have the rule that methods accepting no parameters must be called with empty parenthesis, meaning that Ruby doesn't need to distinguish between properties and methods.
与Groovy不同，Ruby没有针对接收不到参数的方法必须与空括号一起调用的规则，这意味着Ruby无需区分属性和方法。
By way of parenthesis, in One-Point Input Method the relation is studied between the response and the correlative coefficient of horizontal and vertical earthquake wave.
本文的多点输入为顺河向和竖向的双向输入，附带研究了单点输入时双向地震动相关程度对反应的影响。
By way of parenthesis, in One-Point Input Method the relation is studied between the response and the correlative coefficient of horizontal and vertical earthquake wave.
本文的多点输入为顺河向和竖向的双向输入，附带研究了单点输入时双向地震动相关程度对反应的影响。
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