oriented plane

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。

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

There are front and back and inside and outside among the layers of clouds.

云有反面正面，有阴阳向背，有层次内外。

Entertainment aimed at an indiscriminating audience.

面向所有人的娱乐活动

effective length of locating face

周向定位面有效长度

A Product Selective Disassembly Model Based on Hybrid Directed Graph

面向目标拆卸的产品复合有向图建模

Object-oriented Modeling for Directed Acyclic Graph of Process Industry System

面向对象的流程工业系统有向无环图建模

The geographical position of the cut is immaterial, only its direction is important.

与剖面的地理位置无关，只有剖面方向是重要的。

Hurry forward there, please-there are people waiting behind you.

请赶快向前面移动一下, 你后面还有人等着呢。

Finite Element Analysis Oriented Curve and Surface Fairness and Optimization;

面向有限元技术的曲线曲面光顺及优化计算

Study on the Testing of Object-Oriented Software with Graphic User Interface;

具有图形界面的面向对象软件测试研究

Only together can we turn him to the dark side of the Force.

只有我们可使他归向黑暗面

Books targeted to the high-end consumer.

面向有识别力顾客的书籍

Facing firmly toward the future, he has never forgotten the past.

他坚定地面向未来，但从没有忘记过去。

I'll have quite a briefing to give you.

到时候还有些情况要当面向你交待。

His face transmitted his usual grumpiness.

他的面部透出他一向有的愠怒神色。

We'll check it with the parties concerned right away.

我们会立刻向有关方面查询。