A topic-based approach can be hard to assess in schools with a typical spread of ability.

在以典型的能力多元化为特征的学校里很难评估一种基于话题的教学方法。

《柯林斯英汉双解大词典》

The problem with a mutex-based approach.

基于互斥锁的方法的问题。

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Another notable feature is the class based approach.

另一个很重要的功能是基于类的方式。

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But they reflect the Obama administration's commitment to a new approach to development -- one based on investment,not aid.

VOA: special.2010.05.10

The event explored the importance of an interdisciplinary catchment based approach to managing and protecting water resources.

UNESCO: World Water Congress takes place in Edinburgh

The flexibility brought by the dye-based approach makes this sort of cell particularly useful indoors.

ECONOMIST: A new type of cell may bring ��solar�� energy indoors

The move of innovation away from the labs, means the labs-based approach is becoming less potent.

FORBES: The Top 50 Corporate Innovation Budgets (by % Sales)