【每日英語】GPS

weixin_34208283發表於2018-08-13

The world economy has become extremely dependent on GPS, but it runs on the shockingly vulnerable GPS network. It needs a backup plan.

世界經濟已嚴重依賴於GPS,但是GPS執行在一個非常脆弱的GPS網路上。我們需要備用計劃。

GPS: Global Positioning system