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)。

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The porpoise happy knot team roams, the speed may amount to above 40 kilometers, they dive not deeply, the diving time cannot surpass 10 minutes.

海豚喜结队漫游，时速可达40公里以上，它们潜水不深，潜水时间也不会超过10分钟。

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Higher speed weaving machines pose higher requirements for cheese quality: uniform winding density, knot-free, less yarn defects and low hairiness.

高速运转的织机对筒子纱的质量提出了更高的要求，归纳起来主要有4个方面：筒子卷绕密度均匀、无结头、纱疵少、毛羽少。

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The Port of London Authority (PLA) imposes a 12-knot (14-mph) limit west of Wapping, which means that boats can show their exhilarating 30-knot cruising speed only on the eastern stretches of the river.

ECONOMIST: Thames river transport

Better yet is the jet's 330-knot economy cruise speed, attained at altitudes between 38, 000 and 41, 000 feet.

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In fact, a little computer on the CJ1's center console calculates rotation speed to the knot, based on temperature, altitude and weight aboard.

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