This paper briefly introduces two of the important fundamental concepts in modern digital seismology, the source time function and the source rupture process.

简要介绍了现代数字地震学的两个重要概念，一个是震源时间函数，另一个是地震震源的时空破裂过程。

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In other words, Voltaire's amateurism in science "was a source of his contemporary appeal, demonstrating for the first time the accessibility of Newton's ideas to nonspecialists".

换句话说，伏尔泰在科学上的业余性“是他当时吸引力的一个来源，第一次证明了牛顿的思想对非专业人士的可接受性”。

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"My roommates were a source of great comfort and support to me during this time of great loss."

VOA: standard.2010.08.07

(Speaking) Institute director Eric Leonhardt says he's had his eye on the dairy herd as a source of transportation fuel for a long time.

VOA: standard.2010.02.23

Others are reset regularly to a reliable source of time.

BBC: Speaking Clock: Why are people still dialling for the time?

Santorum agreed to have one soon, but the source said the time and place have not been set.

CNN: Santorum suspends campaign, clearing Romney's path

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