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[数]切点
1、departure point───推算始点；[航][水运]出发点；起程点；起航点
2、point entry───切入点
3、floating point───浮点，浮点法，浮点小数点；[计]浮点
4、point to───指向；表明；显示…的位置[方向]; 表明; 指画; 指
5、connexion point───连接点
6、polygonal point───导线点；折点
7、heart point───[纹章学]盾心
8、basis point───n.基点；基点（等于0.01%）
9、point───vt.指向；弄尖；加标点于；n.(Point)人名；(法)普安；vi.表明；指向；n.要点；得分；标点；[机]尖端
1、The correction of unstressed length for main cable in saddles and calculation method of tangential point are considered at the same time.───同时考虑了主缆在索鞍处的无应力索长的修正以及切点计算方法；
2、chest anteroposterior film plus tangential point of the affected side rib pain diagnosis 115 chip, the detection rate was 89. 8%;───胸部正位片加患侧肋骨疼痛点切线位片正确诊断115根，检出率为89.8%；
3、base of the constant removal rate of the metal material, the motion model of tangential point tracing grinding of Non-round parts should be given respectively according to type of the parts.───基于恒金属去除率的原则，根据零件的特点分别建立了非圆零件切点跟踪磨削的运动模型。
4、tangential point of a cubic───三次曲线的切线割点
5、New Concept for Determining the Top Tangential Point on BHA───确定底部钻具组合上切点位置的新观点
6、On the Tangential Point Tracing Grinding for a Crankshaft Part───切点跟踪磨削法磨削曲轴零件的若干问题探讨
7、The quality of this transition is best visualized by a straight line drawn between two circles: the line's only point of contact with each circle is tangential.───用最明显的图形来描述这个过渡的特性就是：当在两个圆之间绘制一条直线，直线与每个圆只有一个交点时，那么这条线就是两个圆的切线。
8、boundary conditions at drill bit , stabilizer , bend angle , diameter change , tangential point and borehole wall ;───钻头、稳定器、弯角、变截面、切点和井壁的边界条件；
9、Please pay attention to the subtle differences, particularly the Tangential line marking the fillet's point of contact with its adjacent surface, and how the reflections break there as well.───请注意细微的差别，尤其是切线标示出的倒圆角与临近面的连接处，还有在那里反射光是如何被打断的。