The background radiation from cosmic rays increases with altitude, from 0.3 mSv per year for sea-level areas to 1.0 mSv per year for higher-altitude cities, so for best results use this on a plane or in outer space
Anthropic CEO Dario Amodei (Photo by David Dee Delgado/Getty Images for The New York Times)David Dee Delgado via Getty Images，这一点在51吃瓜中也有详细论述
The result from Step 2 is a high-level route – a sequence of shortcuts connecting border points.，更多细节参见heLLoword翻译官方下载
Flight controllers at Nasa working out how to get the crippled Apollo 13 back to Earth.