"The Daphnia system is an exquisite aquatic sensor, a potential high-tech and modern version of the mineshaft canary," he said.

“水蚤系统是一种敏锐的水中传感器、一种潜在的高科技、一种现代版的矿区金丝雀，”他说。

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In 1955, Marty McFly and Doc Brown use the information in Doc's 1885 letter to retrieve and repair the damaged DeLorean (which has been waiting for him in a mineshaft for 70 years).

在1955年，马蒂·麦克·弗莱和布朗博士按照博士于1885年寄出的信里的说明，找回并修好了损坏的德罗宁时光机(这辆跑车已在矿井里保存了70年)。

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Television footage showed charred trees and light smoke billowing from the top of the mineshaft.

BBC: New Zealand miners missing after explosion

Today's refuseniks, like those of yesteryear, are after all canaries in the mineshaft.

CENTERFORSECURITYPOLICY: Freedom's champions

Avoiding this mineshaft is, surprisingly, possible.

FORBES: Outrunning The Tidal Wave: How Dangerous Is Big Data?