让我们做一些替换练习。
两次练习测验中,都有一道题是关于变量替换的,感觉这是很重要的那样。
There is one change of variable problem on each of the two practice exams to give you a feeling for what's realistic.
在练习中，由于我们只有一个资源管理器，因而将icmnlsdb替换为rmdb，为资源管理器执行联机备份。
In this exercise setup, since we only have one Resource Manager, replace icmnlsdb with RMDB to perform online backup for Resource Manager database.
他说，每场练习都有2- 3头小牛受伤，不得不被替换下去。
He stated that 2 or 3 calves are injured in each practice session and have to be replaced.
对于这里的练习，您可以保持默认值不变，但是，在真实的转换操作中，您就可以使用一个XPath表达式来替换它。
Leave the default value for this exercise, but, in a real-world transformation you can replace it with an XPath expression.
然后他们再练习这些会话，但是以较自由的方式把新信息替换到练习对话中。
They then practice the conversations again, but in a slightly freer way by substituting new information into the practice dialogues.
这种较自由的方式把新信息替换到练习对话中。
In this slightly freer way students substitute new information into the practice dialogues.
和你的朋友一起演下面的对话，然后用其他动词或词组替换斜体字进行练习。
Act out the following dialogue with your friends. Then replace the words in italics with other words.
每课分句子、会话、替换与扩展、生词、语法、练习等六部分。
Each lesson is divided into six parts: Sentences, Conversation, Substitution and Extension, New Words, Grammar, and Exercises.
每课分句子、会话、替换与扩展、生词、语法、练习等六部分。
Each lesson is divided into six parts: Sentences, Conversation, Substitution and Extension, New Words, Grammar, and Exercises.
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