这条线路上火车的最高运行速度是300千米每小时(186英里每小时)。
The top operational speed for the line's trains is 300 kilometers per hour (186 MPH).
每天，宇航员在高速(每小时大于28000千米)运行的轨道上能看到16次日出和日落。
Astronauts aboard the ISS see 16 sunrises and sunsets per day due to their high orbital velocity (greater than 28, 000 km per hour).
每天，宇航员在高速(每小时大于28000千米)运行的轨道上能看到16次日出和日落。
Astronauts aboard the ISS see 16 sunrises and sunsets per day due to their high orbital velocity (greater than 28,000 km per hour).
事实上我们有很多轨道垃圾，以每小时10-20千米的速度运行。
The truth is we do have a lot of debris, and travelling at 10 to 20 thousand miles an hour.
事实上我们有很多轨道垃圾，以每小时10-20千米的速度运行。
The truth is we do have a lot of debris, and travelling at 10 to 20 thousand miles an hour.
应用推荐