null line
noun
1 Mechanics and Geometry a line about which the moment of a given torque is zero.
2 Physics a line in space–time representing the path of a light ray, on which any two points have zero interval.
Origin
Mid 19th century.
| 单词 | null line |
| 释义 | null linenoun 1 Mechanics and Geometry a line about which the moment of a given torque is zero. 2 Physics a line in space–time representing the path of a light ray, on which any two points have zero interval. Origin |
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