| 单词 | power-to-weight ratio |
| 释义 | > as lemmaspower-to-weight ratio power-to-weight ratio n. the ratio of the power an engine or motor can produce to its weight, or to the weight of the vehicle, etc., containing it. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > [noun] > ratio of machine's power to its weight power-to-weight ratio1937 the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > motor > [noun] > power ratio power–weight ratio1831 power-to-weight ratio1937 1937 Times 13 Apr. (Brit. Motor Suppl.) p. vi/4 It is of 4½ litres capacity, and the power-to-weight ratio is given at 4·2lb. a brake horse-power. 1971 Engineering Apr. 72 (advt.) Reyrolle Hydraulics axial piston pumps and motors. Fixed or variable displacement, with excellent power-to-weight ratio (up to 2·8 hp/lb). 1993 Pop. Sci. June 33/1 An ingenious rotary-engine design developed by researchers at West Virginia University promises a high power-to-weight ratio and extreme smoothness. < as lemmas |
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