Frictional forces may also act when there is no relative motion.

在无相对运动的情况下,也可以有摩擦力的作用.

辞典例句

Friction - The resistance to relative motion between two surfaces in contact.

摩擦 - 对相对行动的抵抗在二表面之间在联络.

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This peculiar and often frustrating experienceis an effect of relative motion.

这种奇怪又常令人尴尬的经历是相对运动的结果.

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Finite element analyses were performed to investigate relative motion and bone stress at the bone - cage interface.

原文:应用有限元研究骨与融合器的相对运动和骨应力.

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Maginal orogeny was formed on this condition with same relative motion trend between lithosphere and asthenosphere.

板缘造山主要表现为岩石圈和软流圈以基本相同的运动趋势的相对运动.

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In the two - body case, the approximate equations of relative motion on elliptic orbits are derived.

在二体假设下, 推导了椭圆轨道上相对运动方程的近似形式.

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Gyroscope gimbal bearings are nearly static, affording little relative motion for EHD film formation.

万向节轴承几乎是静态的, 只能提供一点形成ehd油膜的运动条件.

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Don't forget that these effects are absolutely symmetrical reference in uniform relative motion.

不要忘记的是,在相对匀速运动系统中,这两种效应是完全对称的.

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Doppler Shift in satellite communication should not be ignored for the satellites with relative motion.

在卫星通信过程中,对具有相对运动的卫星,星间链路的多普勒频移是不能忽视的.

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Based on two - impulse optimal control for relative motion, the formation planning problem is solved.

在相对运动二冲量最优控制的基础上, 求解了编队规划问题.

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A precision analytical equation to relative motion of formation flying satellites for J 2 perturbation is presented.

给出了一种描述J2摄动情况下编队飞行卫星相对运动的精确解析模型.

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The orogenic types were controlled by the relative motion mechanism between lithosphere and asthenosphere.

板块和软流圈之间不同的相对运动机制是形成不同类型造山作用的主要原因.

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The movement models of six degree - of - freedom missile , target, relative motion and others are derived.

本文建立了六 自由度 弹体运动模型 、 目标运动模型 、 相对运动模型等.

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