She was efficient and reliable.

她既能干又可靠。

《柯林斯英汉双解大词典》

This position is responsible for the safe, efficient and reliable operation of warehouse.

该职位负责保证仓库的安全、高效以及可靠运行。

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Efficient and reliable detection of spectrum holes is an important technology for cognitive radio.

高效、可靠地检测频谱空洞是认知无线电研究的重要技术。

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And the same holds true if you merely want a half-way efficient and reliable economic system.

FORBES: Apollo's $5 Million Course in Greed

It said the Next Generation 737 was "the most fuel-efficient and reliable" single-aisle plane in the market.

BBC: Boeing and United Airlines announce $14.7bn deal

BrightSource hopes that in time its technology will prove sufficiently efficient and reliable to overcome the disadvantage of having to raise so much capital.

ECONOMIST: Some solar plants need to be big; most of them don��t