1. Do you have an installation diagram?
    你有安装图吗?

2. At 2 PM on December 5, 1945, five Navy aircraft took off in perfect flying weather from a naval air installation in southeastern Florida, on a routine training mission over the Atlantic Ocean.
    1945年12月5日下午两点，天气非常适合飞行，五架海军飞机从佛罗里达州东南部的一个海军飞行基地起飞，在大西洋上空作一次例行飞行训练。