And this is related to the change of the frequency of a moving source.

这是关系到在移动源上的频率变化。

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Higher order waves generated by a moving source in a two-layer inviscid, incompressible fluid of finite depth with small density difference were studied.

研究了运动点源在无粘、不可压且具有小密度差的两层有限深流体中生成的高阶波动。

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The source process of partial area pre-displacement is finite moving source and that of whole area pre-displacement is combination of finite moving source and instantaneous source.

局域预位移的震源过程为有限源传播，全域预位移为有限源与瞬时面源。

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What we need to do to counter spam is not just to cut it off at a moving source, but to develop new ways to stop it.

FORBES: Spam's Silver Bullet? Not so Fast

Researchers will participate in a short-fuse, crucible-style environment to invent new approaches to the identification of people, places, things and activities from still or moving defense and open-source imagery.

ENGADGET: DARPA Innovation House project wants teams to take imaging data, see the big picture

"There was no discipline and no orderly process in moving forward, " says this source.

FORBES: The Battle of the Titans over AIG