This statute created the National Wilderness Preservation System.

这项法案建立了国家荒野保护体系。

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Based on the monostable circuit, using the IC NE555, a kind of hot water circulation automatic heat preservation system was designed.

利用时基ic NE555接成的单稳态电路，设计了一种热水循环自动保温系统。

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Article 19 a financial institution shall establish a preservation system for its clients' identity materials and transactional records.

第十九条金融机构应当按照规定建立客户身份资料和交易记录保存制度。

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In nineteen seventy-five, much of the Dolly Sods area became part of the National Wilderness Preservation System.

VOA: special.2009.07.20

He developed the "Pot-in-Pot Preservation/Cooling System."

VOA: special.2009.02.09

There was the ultrasonic dishwasher, the atomic food preservation system and countless other wonders housed within its curvy shell.

FORBES: Ghosts Of Technologies Past

He also played a major role in keeping dams out of Dinosaur National Monument, the Yukon, and the Grand Canyon, and in establishing the National Wilderness Preservation System.

CNN: Environmentalist David Brower dead at 88

Every one of you, even the most cynical among you, understands and cherishes the function of a free press and the preservation of our system of government and of our way of life.

WHITEHOUSE: President Obama and Jay Leno at White House Correspondents Dinner | The White House