We hope scientists will be tapping new energy sources to meet the need for power.

我们希望科学家们将发掘新的能源来满足能量的需要。

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Of course, in the hydraulic control system of the various electromagnetic valve, and so is the need for power.

当然，在液压控制系统中的各种电磁阀等也是需要电源的。

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However, if the job to be filled is a managerial post in a large bureaucratic organisation, a candidate who las a high need for power and a low need for affiliation should be selected.

然而，如果要填补的职位是一个大型官僚机构的管理职位，则应选择一个高权力需求和低从属需要的候选人。

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They would need the electrical power for their landing.

VOA: special.2009.07.22

"Even though TXU's business strategy has changed, the need for power still remains, " says Kim Morgan, a TXU spokeswoman.

FORBES: Magazine Article

The trend towards more twin-engined aircraft drives up the cost of engine development, by boosting the need for power and reliability.

ECONOMIST: Aircraft engines

To reduce the need for power, they designed a device to wake up and run only when it was taking measurements from the ear.

WSJ: Harnessing Energy From the Body to Power Devices