外心

基于外心对偶剖分的有限体积元法

Finite Volume Element Method Based on Circumcenter Dual Subdivisions

考虑基于外心对偶剖分的椭圆型与抛物型方程的有限体积元法。

We considered the finite volume element methods ( FVM ) based on circumcenter dual subdivision for the elliptic equations and parabolic equations .

他对那些批评他外交政策的人格外心怀怨恨。

He reserved particular venom for critics of his foreign policy

本文分析了国内外心电监测仪发展及应用状况，鉴于现在社区医疗的需求，结合心电信号的特点，设计了基于嵌入式Web服务器心电监测系统的整体设计方案。

The integrated design strategy of ECG monitoring system based on embedded web server were given , in view of the demand of current community medicine , combined with the characteristics of the ECG .

本文用新方法讨论解决了n维椭圆空间S~n中若干几何问题。给出了关于n维球面单形的余弦定理、高的公式、内切及外接球半径r，R以及内心I与外心Q间的距离公式。

In this paper , we discuss some geometric problems in n dimensional elliptic space Sn to give the theory of cosine , the formula of highness , inradius , circumradius and distance between inscribed spherical centre and circumscribed spherical centre about n dimensional spherical simplex .

所得结果也适用于某些二维区域外心对偶剖分的情形。

The results still hold for some cas-es of circumcenter dual partition .

倾斜相机式投影的几何解法及其与外心投影的比较

A Geometric Algorithm for Tilted-camera Perspective Projection and the Comparison with External Perspective Projection

143例院外心搏骤停患者经送来医院，复苏存活仅2例（14%）。

In the other 143 patients occurring sudden arrest of heart beat outside hospital , only 2 survived ( 1.4 % ) .

现有的证据不支持电除颤之前进行胸部按压改善院外心脏骤停患者的预后的观点；

Current evidence does not support the notion that chest compressions first prior to defibrillation improves the outcome of patients in out-of-hospital cardiac arrest ;

应用两个向量法相关公式探讨了三角形重心、垂心、外心以及内心之间的距离公式。

This paper explores into the distance formula between median point , orthocenter , circumcenter and inner point of triangle by means of two related formulas of vector methods .