But the alternation can be confusing.
但是，这种交替是难以理解的。
Power alternation also polarises debate.
权力的更迭也加剧了辩论的两极分化。
We are conscious of the alternation of seasons.
我们意识到季节的交替。
We are conscious of the alternation of seasons .
我们意识到季节的交替。
Alternation on microstructure of pulmonary tissue.
肺组织超微结构改变。
The labor mode determines the alternation of society.
劳动方式决定着社会经济形态的更替。
You can think of a set as shorthand for alternation of characters.
您可以将集合看作是字符备选项的简写法。
These modifications include the chemical alternation of the bases.
这种修饰作用包括碱基的化学变化。
These modifications include the chemical alternation of the bases .
这种修饰作用包括碱基的化学变化。
The extinction of this kind of animals was due to the alternation of habitat.
这种动物的灭绝是由于他们栖息地的改变。
The alternation operator (|) matches either the preceding or following expression.
交替操作符（|）匹配前置或后置表达式。 它必须匹配前一个或后一个表达式之一。
This model can reduce the time of computing and realize real time alternation.
该模型可以节省大量计算时间，达到实时交互目的。
So far, you've seen literal, positional, and two kinds of alternation operators.
到目前为止，已经介绍了字面值、位置和两种备选项操作符。
Here's an example that demonstrates how this process plays out with alternation.
下面的例子演示了这一过程是如何处理分支的。
After the alternation, motivation effects on peasant household are also weakened.
随着这一变更，农户所受的激励也有所削弱。
For each quantifier and alternation, a decision must be made about how to proceed.
对于每一个量词和分支，都必须决定如何继续进行。
It's a very important assignment to solve these questions without the alternation of equipments.
如何解决上述问题是一项有十分重要意义的课题。
No alternation of generations the medusoid phase being entirely suppressed: sea anemones; corals.
由于没有世代交替，水母阶段遭到完全抑制；海葵；珊瑚虫。
The different interlacement and alternation of all above four of rhythm speeds make daedal narration rhythm.
以上四种节奏速度的不同穿插和交替运用，可以构成千变万化的叙述节奏。
Examples of quasi-random methods of assignment include alternation, date of birth, and medical record number.
准随机分配方法包括：交替分配，根据出生日期分配及根据病例号分配等。
The regex operator | (vertical bar) is the alternation, so this|that matches either the string this or the string that.
regex操作符 |（竖线）表示备选项，因此this|that匹配字符串 this或字符串 that。
When alternation is necessary, put frequently occurring alternatives first if this doesn't affect what the regex matches.
当分支必不可少时，将常用分支放在最前面，如果这样做不影响正则表达式匹配的话。
This website reserves all rights including alternation of any terms and conditions without informing any party in advance.
本网保留一切最终或更改任何细则而不另行通知之权利。
Notice that alternatives within the (ABC | AB | a) alternation are all tried before the parser looks for the trailing words.
注意，在解析器寻找末尾的单词之前，会尝试(ABC |AB |A)系列中的全部可选项。
Tough luck: in Perl 5, you can't ignore an alternation without the somewhat esoteric and not always available regular expression? : modifier.
实在不幸：在Perl5中，如果不使用某些深奥而且不是永远可用的正则表达式？：修饰符，您就不能忽略选择。
Thus, the subpattern ((?x) edu | com | info) (notice the spaces between the alternation operators, added for legibility) is the same as (edu|com|info).
因而，子模式 ((?x)edu |com |info)（请注意备用操作符之间的空格，这些空格是为了易读性而添加的）与 (edu|com|info)相同。
The integrity of the quality management system should be maintained when planning and implementing the alternation of the quality management system.
在对质量管理体系的变更进行策划和实施时，应当保持质量管理体系的完整性；
Alternation options are attempted from left to right, so the more frequently an option is expected to match, the sooner you want it to be considered.
分支选项从左向右依次尝试，一个选项被匹配上的机会越多，它被检测的速度就越快。
Alternation options are attempted from left to right, so the more frequently an option is expected to match, the sooner you want it to be considered.
分支选项从左向右依次尝试，一个选项被匹配上的机会越多，它被检测的速度就越快。
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