windfinder.com, 对风力的预测,比weather network更专业
这个可以有
瞧人家 @ 周五 11月 10, 2017 1:23 pm 写道: windfinder.com, 对风力的预测,比weather network更专业
这个可以有




一磅黄鲈 @ 周五 11月 10, 2017 5:09 pm 写道: 海航速度快慢用的节,大概1节等于2公里



Sergeantpepper @ 周五 11月 10, 2017 6:07 pm 写道: " The kilometer is a unit of distance, while the knot is a unit of speed. While there is no direct comparison, kilometers per hour could instead be compared with a knot (nau…tical mile per hour).
One nautical mile is 1.151 miles or 1.852 kilometers,
so 1 knot is equal to 1.852 kilometers per hour.
A knot is a unit of speed, not of distance."

