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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As a kind of scarcity source, time will be the basic unit to measure cost and show us an important basic sense at the various levels of management.

时间作为一种刚性稀缺资源，将成为衡量成本的基本单位，在不同的管理层面上显现出重要的基础意义。

youdao

"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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