1) second line
二线
1.
The author takes 120 second-line athletes in Shanghai as the study object and uses the literture, investigation, experiment and other research methods to study the factors affected selecting athletes and athlete cultivating for men\'s second line sprinting.
二线短跑运动队作为上海市竞技短跑培养模式中一个特有的环节,对上海市短跑运动的发展起着不可忽视的作用,在一定程度上讲,二线运动员的选材和育才的好坏,直接影响上海市短跑运动成绩的好坏。
2) two wire antenna
二线天线
3) two dimension-two wire
二度二线制
4) two wire line
二线制线路
5) B-wire
B线，第二线
6) quadratic curves
二次曲线
1.
The Circle Interpolator based on the algebra figuring, if we change only a few preset constants in the register, we can directly Interpolate a quadratic curves.
基于代数演算法的圆弧插补器,只要改变相应的几个寄存器的予置常数,就可直接插补非圆二次曲线。
2.
Furthermore,it can represent the elliptic curves,parabola and other quadratic curves without using rational form.
给出了一种基于三角函数的类三次参数曲线,该曲线不仅具有类似于三次Bézier曲线的诸多性质,而且无需有理形式即可精确地表示椭圆、抛物线等二次曲线。
3.
In this paper, we discuss question to find solution for a function different equation,several quadratic curves geometry properties are obtained.
本文通过对一个泛函微分方程解的讨论,给出一类二次曲线的几何性质。
补充资料：二线
①战争中的第二道防线。②比喻不负有直接领导责任的地位：退居～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条