This paper briefly introduces a hardware system of the alternating current motor test of the platform with superior natural price ratio.

简略介绍了一种具有优越性价比的交流电机测试平台的硬件系统。

youdao

Natural gas and coal—also fossil fuels—have similarly seen price declines that look to be long-lived.

天然气和煤炭，还有化石燃料，也出现了类似的价格下跌，而且看起来会持续很长时间。

youdao

Then in the 80s, this trend reversed itself when the price of oil and natural gas went down.

到了80年代，随着石油和天然气价格的下跌，这一趋势发生了逆转。

youdao

The Nabucco pipeline aims to bypass Russia and Ukraine, after natural gas price disputes between the two neighbors led to serious disruptions in supplies to the rest of Europe earlier this year.

VOA: standard.2009.05.11

Is Ben Bernanke failing to account for the natural price drops in digital products and Web distribution?

FORBES: Free Vs. Inflation

While commodity products like ETFs have natural price competition working in their favor and large institutions have internal staff and consultants to negotiate on their behalf, individual investors face a host of challenges in the war on fees.

FORBES: Price Wars Heat Up Investment World

Profits have recently been depressed by the low natural gas price, against which some of the electricity it sells is priced.

FORBES: Ormat Had a Great Quarter: Why I'm Not Buying