粘滞阻力 （viscosity resistance），物体在粘滞流体中运动时所受的阻力。物体浸在粘滞流体中时，表面上就附着一层流体。在运动时，物体表面附近的流层间就存在一定的速度梯度。物体所受的粘滞阻力就是物体表面附近的流层间的内摩擦力引起的。
在气垫导轨上测重力加速度时，受空气粘滞阻力的影响，测量结果并不理想。
While measuring the acceleration of gravity on the air cushion slide way, we cant receive an ideal and satisfying result because of the air resistance.
本文介绍了用粘滞阻力修正法和粘滞阴力互相抵消法来精确地测量重力加速度。
Methods for accurate gravitational acceleration measurement are presented, which are viscous force modified method and viscous force offset each other method.
分析气体粘滞性阻力和光电计时器所引起的系统误差的因素，以及修正这误差的建议。
This paper analysised factors of system error by gas viscous resistance and photoelectric timer, and suggested to amend it.
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