Because of influence of aperture of migration operator, the image of 3-d seismic data volume in space is smeared after migration, which is unfavorable for detecting the faults.

但由于偏移算子的孔径影响，经偏移得到的三维地震数据体在空间上被模糊了，不利于进行断层检测。

youdao

The dielectric property of dispersive media is written as rational polynomial function, the relation between D and E is derived in time domain. It is named shift operator FDTD (SO-FDTD) method.

将一类色散介质的介电常数写成有理分式函数形式，进而导出FDTD中电位移矢量D和电场强度E之间的关系，形成SO_FDTD方法。

youdao

Operator, I 'd like to phone Washington, USA.

接线生(总机)，我要打电话至美国华盛顿。

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When the FCC sent its National Broadband Plan to Congress in March it recommended to Congress that the last remaining 10 MHz of 700-MHz (the D Block) spectrum be auctioned to a commercial network operator.

FORBES: D Block Decision May Prompt T-Mobile/Sprint Marriage

The success of Virgin Mobile in the U.K. and Amp'd Mobile in the U.S. prove the so-called mobile virtual network operator business model.

FORBES: Moore's Law Triumphant

Now Josh, the I'm-going-to-be-a-reporter-someday crew member, and Michael, the I-really-want-to-be-a-rock-star prompter operator, were around me, wearing the same expression you'd have after witnessing a car wreck.

CNN: Robin Meade talks anxiety and her road to self-confidence