Efferent coupling measures the number of classes the current class references.

传出耦合度量当前类引用的类的数量。

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Has the minimum number of classes and methods necessary to accomplish the first three?

用最少的类和必需的方法完成前3个任务。

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Behavior that crosscuts a number of classes poses a particular problem for integration tests.

横切数个类的行为给集成测试带来了一个特定问题。

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The first lady said the plan also includes increasing the number of high school students who take part in physical education classes.

VOA: special.2010.06.07

which is basically an extensive number of classes that everybody has to take if you're in Columbia College,

基本包含了大量的课，而且每个哥伦比亚的学生都要上，

哥伦比亚大学的教程 - SpeakingMax英语口语达人

But the group doesn't prescribe which concepts must be addressed, nor does it track the number of classes offered at member schools.

WSJ: Some B-Schools Step Up Efforts to Tie Ethics to Business Programs

As the story goes, Rollins had skipped a number of classes while studying law at Harvard and had particularly sweated an upcoming exam on the federal rules of evidence.

FORBES: Magazine Article

Ms Cush said the council had increased both the range of activities and the number of classes in leisure centres in order to appeal to a much broader range of children.

BBC: NEWS | UK | Northern Ireland | Council to tackle child obesity