单词 | Lanchester's rule |
释义 | Lanchester's rule [`lan´ches·tǝrz ´rülz] MECHANICS The rule that a torque applied to a rotating body along an axis perpendicular to the rotation axis will produce precession in a direction such that, if the body is viewed along a line of sight coincident with the torque axis, then a point on the body's circumference, which initially crosses the line of sight, will appear to describe an ellipse whose sense is that of the torque. |
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