n.[数]曳物线;等切距曲线
oratrix───女原告
rectrix───n.[鸟]舵羽(鸟尾上的硬毛)
tectrix───n.覆羽
tractrices───n.曳物线;等切距曲线(tractrix的变形)
trisectrix───n.[数]三等分角线;三分角
directrix───n.[数]准线
traceried───示踪
traceries───n.窗饰;花饰窗格
trashtrie───垃圾桶
In the "Acta" of 1691 James Bernoulli derived the equation for the tractrix.───在1691年的《学报》中詹姆士?伯努利推导出跟踪曲线的方程。
This locates the vertex of both tractrix and catenary and their vertical axis of symmetry can be erected.
In the " Acta " of 1691 James Bernoulli derived the equation for the tractrix.