1) concurrent
[英][kən'kʌrənt] [美][kən'kɝənt]
共点
1.
Using these theorems,we can obtain some concurrent results,including the famous Brianchon theorem for elliptic circumscribed hexagons and quadrilaterals easily.
本文给出椭圆类二次曲线外切n边形(n≥4)中有向面积的一些定值定理,并据此得出椭圆外切n边形中多达n(n-3)个三线共点的点,以及射影几何中著名的Brianchon定理等结论。
2.
We obtain a fixed value theorem for directed areas in parabolic circumscribed polygons,and thus deduce as many as n(n-3) concurrent points of three lines in parabolic circumscribed polygons and the famous Brianchon Theorem for parabolic circumscribed hexagons and quadrilaterals,etc.
利用有向面积定值法,对抛物线外切多边形中的对角线三角形和切点三角形之间的关系进行研究,得到抛物类二次曲线外切n边形(n≥4)中有向面积的一个定值定理,并据此推出抛物线外切多边形中三线共点的点多达n(n-3)个,以及射影几何中著名的Brianchon定理等结论。
3.
We obtain a fixed value theorem for directed areas in hyperbolic circumscribed polygons, and thus deduce as many as n(n-3) concurrent points of three lines in hyperbolic circumscribed polygons, and the famous Brianchon Theorems for elliptic circumscribed hexagons and quadrilaterals, etc.
得到双曲类二次曲线外切n边形(n≥4)中有向面积的一个定值定理,并据此推出双曲外切多边形中三线共点的点多达n(n-3)个,以及射影几何中著名的Brianchon定理等结论。
2) common point
共点
1.
In this paper, the common point problem of camber tangent plane in 3-D spaceshave been introduced to N-D Eucilidean Spaces.
本文将三维空间曲面的切平面的共点问题，推广到ｎ－维欧几里德空间曲面的切平面的共点问题，并取得较好的成果。
3) eutectic point
共晶点，低共熔点
4) co-crystal temperature
共晶点
1.
In this paper ,the co-crystal temperature and eutectic temperature of samphire were gained by resistance measurement, and the situation of vacuum freeze-drying was determined.
通过电阻法测定了海蓬子的共晶点和共熔点,确定了海蓬子粉真空冷冻干燥的条件,冷冻产品呈黄绿色,有胡桃样清香味,产品的含水量为5。
5) eutectic point
低共熔点
1.
The experimental results showed:NaSCN-NaAc--NaI ternary system is of the eutectic type,and the eutectic point is located at 504 K and consists of 19.
用目测变温法研究了ＮａＳＣＮ－ＮａＡｃ－ＮａＩ三元系的相图，结果表明：ＮａＳＣＮ－ＮａＡｃ－ＮａＩ三元体系为低共熔型相图，它的低共熔点的温度为５０４Ｋ，组成为（ｍ％）：ＮａＩ（１９。
6) common conversion point
共转换点
1.
Calculation procedures for common conversion points of PS converted waves and their application;
PS转换波共转换点的几种计算方法及实际应用
2.
A method for fast and accurately computing the common conversion point locus.;
一种快速、高精度的共转换点轨迹计算方法
3.
According to the real data,the process-interpretation method of multi-wave and multi-component seismic data is discussed and studied in this paper,mainly aiming at the static correction and stack imaging of multi-wave data,as well as the computing method of common conversion point of converted wave etc.
本文结合实际资料,对多波多分量地震资料的处理和解释方法进行了探讨和研究,主要针对多波资料的静校正、叠加成像、转换波资料的共转换点的求取方法等技术进行了分析研究,开发了综合利用多波资料进行地震属性和各向异性研究的方法,形成了一套较完善的多分量地震资料的处理、解释技术系列。
补充资料：共点力
作用在物体上同一点的几个力。在分析物体的受力情况时，常把作平动的物体看成质点，这时物体所受的几个力就可看成共点力。
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