英语词源
- functionless (n.)
- 1836, from function (n.) + -less.
权威例句
- 1. The suspension of the mirrors must be very frictionless, but strongly damped.
- 反射镜的悬挂既要无摩擦, 但又要有强阻尼.
- 2. There is a frictionless hinge at C.
- C点是无摩擦铰.
- 3. In motion with a fixed frictionless constraint, no work is done by the constraint.
- 在固定的无摩擦约束运动中, 约束力不作功.
- 4. A perpetual motion machine would have to be frictionless.
- 永动机只能是一种无摩擦力的机器.
- 5. Pulley bearings are frictionless.
- 滑轮轴承是无摩擦的.