It is at the boundaries between plates that most of Earth's volcanism and earthquake activities occur.

地球上大部分的火山活动和地震活动发生在板块之间的边界处。

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As we have seen, toxic chemical regulation involves matters at the boundaries of scientific knowledge.

正如我们所见，有毒化学药品管制规章涉及的问题的实质方面都处在科学知识的边缘。

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The deflection of the element is represented by a series of mode functions that satisfy the conditions at the boundaries.

单元的变形用符合几何边界条件的模态函数来表示。

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The second is something a little more subtle and that is to find different ways to use technologies to basically stretch the boundaries to What it means to learn at MIT.

大学教育水平,第二件重要的事更微妙些,就是去发现不同方式使用技术来伸展,此对于在麻理学习的意义的界限。

麻省理工公开课 - 媒体、教育、市场课程节选

For a few Airstream fans, Mr. Wheeler's efforts at pushing the boundaries simply aren't enough.

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Ofqual says that the June grade boundaries were set at the right level, but has acknowledged there was a problem with the January boundaries.

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Are they the boundaries that exist at the time of the application or are they the boundaries of the community that could exist 10 years into the future?

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