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💨 结

速度单位,等于每小时一海里。

结

海上航速有其专属单位。一节等于每小时一海里,约合每小时 1.852 公里或每小时 1.151 英里。

这个术语源于古老的航速记录法,这种方法通过沙漏计数法记录绳索上的节数。如今,航速记录仪和GPS可以提供​​以节为单位的水上航速和陆上航速。海洋预报中也经常以节为单位报告风速。

航海员会同时使用节和海里来思考,这样才能确保时间、速度和距离计算的一致性。一艘以15节航速航行的船,一小时就能航行15海里。在驾驶台上,节和公里/小时之间的混淆是绝对不允许的。

Comments (3)

  1. Sandra Bell
    I always confused this with the rope knot until I started sailing. One knot equals one nautical mile per hour, simple as that.
  2. Derek H.
    Why is it called a knot though? Seems like an odd name for a unit of speed. Anyone know the origin?
  3. Fiona McGrath
    My dad was in the navy and he'd correct anyone who said knots per hour. Drove him crazy.

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