基本解释[数学]极切距极切线英汉例句双语例句The mesh equations of gears are given by tangent polar coordinate system.本文给出了切线极坐标下的齿轮啮合方程式。polar tangent更多例句词组短语短语polar coordinate of tangent 切线的极坐标polar tangent更多词组专业释义数学极切距极切线