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今天是:

back focus是什么意思


中文翻译象方焦点

网络释义

1)back focus,象方焦点2)image space foral length,象方焦距3)focus in object space,物方焦点4)focus in image space,像方焦点5)quardrantal points,象限方位点6)the curve equation of focus,焦点曲线方程

用法例句

    Through studying two pairs of opposite vertices in tetragon, the author derived the curve equation of focus in form of complex number and its expression of right angle coordinate.

    从研究四边形 (或四角形 )的两对对顶点出发 ,推导出复数形式的焦点曲线方程及其直角坐标表达