On a fixed value theorem for directed areas in hyperbolic circumscribed polygons and its applications;
双曲类二次曲线外切多边形中有向面积的定值定理及其应用
By defining the directed area of polygons, We went into its properties and applications andobtained several new fixed value theorems of polygons.
通过给出平面多边形的有向面积，探讨有向面积的一些性质和应用，提出一平面多边形的若干新的定值定理。
In this article,we introduce the oriented volume concept of simple tetrahedral,and get the computation formula for polyh.
引入了简单四面体的有向体积概念,最后得多面体体积计算公式。
Recursive contraction algorithm for enumerating all directed cutsets of a directional assembly connection graph;
生成有向装配连接图有向割集的递归收缩算法
On Some Theorems of Directed Areas of Polygons;
关于平面多边形有向面积的一些定理
On one Theorem of Directed Areas for Plane Closed Folding;
关于平面闭折线有向面积的一个定理及其推论
TWO Theorems of Directed Areas for Planar Quadrilaterals and Their Applications;
平面四边形有向面积的两个定理及其应用
On a Fixed Value Theorem for Directed Areas of Height Triangles and its Applications
高线三角形有向面积的定值定理及其应用
On Two Theorems of Directed Areas for Exterior (Inner ) Triangles;
关于外、内三角形有向面积的两个定理及其推论
On Some Fixed Value Theorems for Directed Areas in Elliptic Circumscribed Polygons and Their Applications
椭圆类二次曲线外切多边形中有向面积的定值定理及其应用
On some fixed value theorems for directed areas in a triangle
关于切顶线三角形有向面积的定值定理及其应用
In this article, we introduce the oriented volume concept of simple tetrahedral, and get the computation formula for polyhedron at last.
引入了简单四面体的有向体积概念,最后得多面体体积计算公式.
area of cross section of the main air flow
主送风方向横截面积
The piston is forced upward until sufficient port area is available to pass the fluid.
活塞被推动向上，直到有足够的通道面积让流体流过。
These internal-tide deposits possessed five types of vertical successions and formed rhythmic deposit combinations with cyclicity in the vertical section.
它们具有5种垂向沈积层序，在剖面上常形成多旋回韵律性沈积组合。
"The diplomacy of the People's Republic got started with a Brand-new look, proclaiming to the whole world that the days were gone forever when a poor and weak China suffered all kinds of humiliation and had no dignity to speak of for its diplomacy"
以崭新的面貌向全世界宣布旧中国积贫积弱、受尽屈辱、没有外交尊严的时代一去不复返了。
fin and rudder area
垂直安定面和方向舵面积
effective inside surface of kiln shell
窑胴体有效内表面积
percentage of effective grate area
炉篦有效面积百分率
The area is approximately 100 square yards.
面积大概有一百平方码。
What's the area of China?
中国的面积有多大？
What is the acreage of the farm?
这农场面积有几亩?