Unlike traditional monolingual programs, bilingual classrooms aim at developing students' ability to use two languages by middle school.

与传统的单语课程不同，双语课堂旨在从中学开始培养学生使用两种语言的能力。

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We conceptualize machine interfaces between two systems by reversing the transactions of their use cases.

我们通过逆转它们的用例事务处理将两个系统间的机器接口概念化。

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For example, if you had a human task followed by two service invocations, you can use a single transaction for the two services.

例如，如果您有一个包含两个服务调用的人员任务，您可以为这两个服务使用一个事务。

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The researchers also documented the use of insecticide chemicals by the Chinese farmers from nineteen ninety-two to two thousand eight.

VOA: special.2010.05.25

In fact, there are some very old books that show this as the average, the sum divided by two arithmetic mean, but the modern practice is to use the geometric mean.

事实上，一些很老的书籍上,平均的定义就是算数意义的，总的来说被分为两种算数意义，但现代我们多用几何意义。

麻省理工公开课 - 固态化学导论课程节选

And,they hope to ban its use by two thousand ten.

VOA: special.2009.06.23

But the low yield achieved by Unilever and IBM is part of two further trends: the increased use of the bond markets by European companies and a new-found enthusiasm of investors for corporate debt.

ECONOMIST: Buttonwood: Money for nothing | The

The second wave is happening now and is epitomized by two-way exchanges and the use of mobile phones.

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It is not a clean product by any means so step two is cleaning it up (step one is the use of molasses since it is a by-product).

FORBES: DON Q: SUSTAINABLE LIQUOR