functionless是什么意思

实用例句

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.来自辞典例句

2. There is a frictionless hinge at C.

C点是无摩擦铰.来自辞典例句

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.来自辞典例句

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.来自互联网

5. Pulley bearings are frictionless.

滑轮轴承是无摩擦的.来自互联网