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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.
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It turns so smoothly that it will seem frictionless to any student standing on it.
因为它几乎无摩擦力所以当学生站在上面时可以很容易的转动.
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Precise alignment along the bore produces a frictionless movement and long sensor life.
沿钻孔精确的校准产生无摩擦的运动和长传感器寿命.
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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.
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- heavenly adj.神圣的;天空的;天国的;庄严的;
- sigh v.叹气;悲鸣;n.叹气;
- counter n.柜台;工作台;对立面;计数器;筹码;反驳;v.抵制;反驳;
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- so easy 很容易;搜衣廊(北京一家服装店名);如此轻而易举;
- chocolate n.巧克力;巧克力糖;巧克力色;
- generation n.一代人;一代;一批;产生;代;,一届;一辈(通常认为大约30年);同辈人adj.第…代的;
- Monday n. 星期一;周一;
- assessment n.评估;评价;(应偿付金额的)估定;(为征税对财产所作的)估价;评定;判定;看法;核定;核定的付款额
- favorite n.特别喜爱的人(或物);受宠的人;得到偏爱的人; (国王的)宠臣;亲信,心腹; (尤指马)最有希望获胜者;adj.最喜爱的;特别喜爱的;
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