This paper mainly investigates signal design and signal process method in the underwater acoustic communication subsystem of the oil well system.

本文围绕油井勘探系统中的水声通信系统，进行了通信系统的信号设计以及信号处理的研究工作。

youdao

The author proposes taking the comprehensive load curve of the screw drill-drill bit-oil well system as the basis for the proper selection and use of screw drills.

提出了以螺杆钻具钻头油井系统的综合负载特性曲线作为螺杆钻具正确选择和使用的依据。

youdao

A few blocks away, residents of the slum, which has no public water or sewer system, pay 3 shillings to fill used 20-liter cooking oil jugs with fresh water from a Coke-sponsored well.

几个街区远的地方是没有公共用水和下水道系统平民窟，居民们支付3先令从可口可乐公司赞助的井里购买20升的淡水，装在烹调油壶里。

youdao

It is a brilliant system from an operational perspective, but relies on inexpensive oil as well as instantaneous communications.

FORBES: The Future of Food

Chances are that such a system can continue to function well, at least as long as the oil boom lasts.

CENTERFORSECURITYPOLICY: In Russia, a landslide to tyranny

The AMT is a shadow tax system ostensibly designed to make sure that fat cats with tax breaks like oil-well depletion pay at least some tax.

FORBES: Mad Tax Party