Logging sonic differential time and seismic interval velocity are used to estimate formation pressure in this paper.

讨论了利用测井声波时差和地震层速度预测地层压力的方法及其应用。

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With Picosecond Event Timer and other techniques measuring the differential time of flight, the accuracy of the atmospheric delay could achieve millimeter level.

采用皮秒级事件计时器等技术测量往返时间差，修正精度可以达到毫米量级。

youdao

The report calls for an international framework on differential pricing in time for next year's G8 summit.

ECONOMIST: Patently troublesome

Because of the time differential, he cautioned against drawing conclusions about overall Call of Duty sales until the end of 2012.

FORBES: 'Call Of Duty: Black Ops 2' Sales Don't Point To Franchise's Decline

Therefore, Kaplan says, find out the time differential between when a retailer places its orders with vendors and ultimately receives the merchandise in the store--the lead time.

FORBES: Shining Through On The Shelves