Two Inequalities for the Medians and the Symmedians of a Triangle;
涉及三角形中线与类似中线的两个不等式
The R-r-s method of triangle inequality is employed to prove the conjecture of a triangle inequality proposed by the author many years ago,which is the reciprocal inequality for median ma,mb,mc,the circumradius R and the radius of the inscribed circle r:1/ma+1/mb+1/mc≤2(1/R+1/r)/3.
采用三角形不等式中R-r-s方法,证明了作者多年前提出的一个有关三角形的猜想不等式,即有关中线ma,mb,mc与外接圆半径R以及内切圆半径r的不等式:1/ma+1/mb+1/mc≤2(1/R+1/r)/3。
The important method of R-r-s is used to prove the inequality chain for the medians altitudes and radii of exinscribed circles of a triangle:Let ma,mb,mc denote the medians of the triangle ABC;the altitudes ha,hb,hc;the radii of exinscribed excircles ra,rb,rc;then holds maha+mbhh+mchc≥wbwc+wcwa+wcwa≥hara+hbrb+hcr.
应用重要的R-r-s方法,证明了有关锐角三角形的中线、高线与旁切圆半径的不等式链:设锐角ΔABC的三条中线,三条高线与旁切圆半径分别为ma,mb,mc;ha,hb,hc和ra,rb,rc,则成立不等式:maha+mbhb+mchc≥wbwc+wcwa+wawb≥hara+hbrb+hcrc。
The antithetic formula of Finsler-Haduiger inequality related to the central lines and central planes area of the n-simplex;
联系n维单形中线、中面面积的Finsler-Haduiger不等式的对偶式
How to decide the direction of central line of the discus ground;
如何确定掷铁饼场地的中线的方向
The papor first introduces the key application of General Total Station,then emphatically expounds the method and formula of coordinate calculation of road central line,grade separation turn-to-turn central line,abutment central point and axial point of reference Thus the concrete operation of General Total Staion in highway construction layout is clarifie
首先介绍全站仪的基本含义 ,提出了全站仪应用于公路施工放样的关键 ,着重论述道路中线桩坐标、道路立交匝道中线桩坐标及桥墩、台中心和桥涵轴线控制桩坐标计算方法 ,并给出了计算公式。
The function of neutral line in Y connection of asymmetric loads;
中线在不对称负载作Y连接时的作用
The quality of the neutral line and its grounding will influence directly to the operation of the combined hi-frequency switching mode power supply.
交流供电线路中的中线及中线接地质量的好坏,对通信用高频开关组合电源的工作有直接影响,实际应用中经常出现因中线及中线接地故障造成设备损坏,因此需加强对中线的维护。
Because of action of the nonlinear load,a large number of third harmonic component would exist in the neutral line current.
由于非线性负荷的作用,可使中线电流中含有大量的3次谐波分量。
The switching power supplies of capacitive loading with no operating frequency transforner, are generally used in modern host computers and peripheral equipments, there are special requirements of the switch and midline of power supply systems.
由于容性负载对供电系统的开关、中线有特殊要求,为了保证计算机系统长期、可靠地运行以及机房的安全,本文介绍了计算机房供电系统的合理布线和维护方法。
Firs,find the midline though determining the main strokes of word.
该方法的基本过程是通过确定单词的主笔划找到单词的中线,再根据中线以上的部分过拆分单词,最后对过拆分的切分段进行合并得到单词的多个候选结果。
Furthermore, the properties of the mid_facets of a simplex analogous to median lines of a triangle (such as for all mid_facets of a simplex,there exists another simplex such that its edge_lengths equal to these mid_facets.
在n维欧氏空间中,作为三角形的高维推广的单形的中面是最近才引入的一个重要的几何概念· 该文利用Grassmann代数的方法获得了单形的中面面积的解析表达式,证明了单形的中面类似于三角形中线的性质,例如,对于一个给定的单形,存在另一个单形使得其边长分别等于给定单形的中面面积;一个单形的所有中面有且仅有一个公共点等· 同时,利用中面面积的解析表达式证明了单形中面与单形的棱长、外接圆半径、中线长、角平分面等之间的一些优美性质,建立了一些新的重要的几何不等式·
Some Finsler\|Hadwiger inequalities involving the median line of one n\|dimensional simplex in Euclidean space E\+n, and Neuberg\|pedoe inequalities involving the median line of two n\|dimensional simpleexes are established.
建立了涉及一个n维单形中线的Finsler-Hadwiger型不等式和涉及2个n维单形中线的Neuberg-Pedoe型不等式,统一和推广了一些已有的结果[1,2]。
Safety monitoring system design of the main line of middle line project in South-to-North water persion;
南水北调中线干线工程安全监测系统设计研究
a median point, line, value
中点、 中线、 中值.
midfield stripe
足球场中线,五十码线
A medial line, especially the medial line or plane of the body.
中线中央的线，尤指身体的中线或中央的平面
The median line in the trajectory of fire of an artillery piece.
中线一门大炮开火的轨迹中线
The line that joins the midpoints of the nonparallel sides of a trapezoid.
中线梯形非平行两边的中点连线
A line that joins a vertex of a triangle to the midpoint of the opposite side.
中线从三角形顶点到对边中点的直线
Centre line: A line piding an area in two equal portions. Centre lines are usually represented by chain lines.
中线:把一个面积平分为两等份的线条。中线常用链线表示。
CF and CB.
前中心线和后中心线。
She disentangled loose threads from the wool
她从毛线中理出散线。
4-wire, 2-way repeater. Right-click for one or four line.
四线双向中继器。右击指定单线或四线。
4-wire, 2-way repeater. One or four line can be specified.
四线双向中继器。可指定单线或四线。
One of the five parallel marks constituting a staff.
谱线五线谱上五条平行线中的一条
2-wire, 2-way repeater. One or two line can be specified.
两线双向中继器。可指定单线或双线。
2-wire, 2-way repeater. Right-click for one or two line.
两线双向中继器。右击指定单线或双线。
Protection against damage for conductors during laying and straining in a mountainous area
山区放线、紧线过程中导线防损伤保护
The Function of the Neutral Wire and its Protection When Broken;
三相四线制中性线的作用及断线保护
The threads that run crosswise in a woven fabric, at right angles to the warp threads.
纬线或线纱织物中十字交叉的线，与纵线成直角
Operator, please get me the Bank of China.
接线员，请接中行。