例句與造句

1. On the other hand, experiments with very low-friction bearings do find a small torque on the reverse sprinkler even in its steady state.
2. Most experimental setups fail to detect any turning of the reverse sprinkler because the transient torque is not large enough to overcome the friction of the sprinkler's bearing.
3. This torque, induced by the viscosity, causes the reverse sprinkler to turn weakly towards the incoming fluid ( i . e ., in the direction contrary to the motion of a regular sprinkler expelling water ).
4. The smallness of the torque on a reverse sprinkler is closely analogous to the propulsion of the so-called " pop pop boat, " a toy boat that moves forward as it alternately expels and then sucks in water through a pipe connected to a small internal tank heated by a candle.
5. According to An elementary treatment of the reverse sprinkler, the article cited in the Feynman sprinkler article, as the water starts flowing, there is a torque that causes the sprinkler to accelerate toward the oncoming water, and there is a torque that causes the sprinkler to accelerate away from it as the water stops flowing.
6. It's difficult to find reverse sprinkler in a sentence. 用reverse sprinkler造句挺難的