“sign convention”的概念、定义、翻译、参考文献-科学参考

单词	sign convention
释义	sign convention [`sīn kǝn´ven·chǝn] ^OPTICS A convention as to which quantities, such as angles, distances, and radii of curvature, are positive and which are negative in computations involving a lens or a mirror.
随便看	servolink servo loop servomechanism servomotor servomultiplier servonoise servo system servovalve sesame oil sesamoid bone sesquillinear form sesquioxide sesquisideband transmission sesquiterpene sessile sessile bubble method sessile dislocation sessile drop method Sessilina sessoblast seston set seta set analyzer setback

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