| 单词 | 相互垂直 |
| 释义 | 〔tetrad〕A group of four chromatids formed from each of a pair of homologous chromosomes that split longitudinally during the prophase of meiosis.四分体：一组来自减数分裂中相互垂直分裂的一对同源染色体的四个染色单体〔orthorhombic〕Of or relating to a crystalline structure of three mutually perpendicular axes of different length.正交的：属于、关于不同长度的三条相互垂直的轴线所组成的晶体结构的〔rectangular〕Designating a geometric coordinate system with mutually perpendicular axes.直角坐标的：表明是具有相互垂直的轴的几何坐标体系的〔axis〕One of three mutually perpendicular lines that define the orientation of an aircraft, with one being along its direction of travel and the other two being perpendicular to the direction of travel.导向轴：决定飞机方位的三条相互垂直线中的一条，一条沿着飞行的方向，其它两条垂直于飞行的方向 |
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