The maximum speed of the aircraft is 800 m. p. h.
该飞机的最大速度为每小时800英里。
Knot: a unit of speed of one nautical mile (1,852 m) an hour.
节：速度单位，相当于每小时一海里(1,852米)。
M/V XX. What is your course and speed?
船，你船的航向和航速是多少？
Shorter are M labels, faster is the production speed.
标签长度越短生产速度越快。
Shorter are M labels, faster is the production speed.
标签长度越短生产速度越快。
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