A new constraint model is built up with quintuple:dimen- sion value,datum,auxiliary line,contour line and directed graph.

發(fā)展到了今天，變量化設(shè)計已經(jīng)成為二維繪圖和三維特征設(shè)計的必不可少的基本功能涩涩视频入口。

Though money is indispensable to our life, dirty money may drag us into hell.

雖然錢是必不可少的AV狼友无码国产在线观看下载，我們的生活，我們的錢可以拖動臟進了地獄欧美重a片视频。

As a important component of discrete mathematics, Graph theory has complicated contacting with the computer science, and it is the essential data base of the core curriculum structure.

圖論作為離散數(shù)學(xué)中重要的組成部分热久久精品日本一区二区三区，與計算機科學(xué)有著千絲萬縷的聯(lián)系，是其核心課程數(shù)據(jù)結(jié)構(gòu)的必不可少的基礎(chǔ)国产交换3p国产精品。

Discretionary Access Control is one of necessary and most common secure mechanisms in the secure operating system.

自主訪問控制機制是安全操作系統(tǒng)必不可少的一级黄色视频舔的视频免费看、應(yīng)用最廣泛的安全機制之一。

Continued financial sector reform, and disintermediation, is essential in China's efforts to rebalance its economy away from a fixed-asset investment model towards domestic consumption and services.

在中國再平衡其經(jīng)濟色系视频网站大全免费、從固定資產(chǎn)投資模式轉(zhuǎn)向國內(nèi)消費及服務(wù)模式的過程中26UUU日韩无码，持續(xù)的金融業(yè)改革和非中介化是必不可少的。

Dispensable part of our society, which make our life and work more comfortable a

人們普遍認(rèn)為計算機和其他機器已經(jīng)成為我們社會必不可少的一部分久久免视频。它們使我們的生活更

Indeed, it has become an in dispensable addition to every person's perception of what constitutes necessity.

的確，在每個人認(rèn)為必備的東西中亚洲国产精品丝袜国产自在线，管道膠帶已經(jīng)是必不可少的物品了黄色网站免费打开。

At present, rare earth permanent-magnet materials are widely used in the high-tech fields and are in dispensable materials.

目前，稀土永磁材料已廣泛應(yīng)用于高科技領(lǐng)域操到高潮的视频，是現(xiàn)代科技必不可少的新型材料日本免费一级。

It is widely acknowledged that computer and other machines have become an in dispensable part of our society, which make our life and work more comfortable and less laborious.

人們普遍認(rèn)為計算機和其他機器已經(jīng)成為我們社會必不可少的一部分。它們使我們的生活更舒適偷拍人妻，減少了大量勞動。

And it is essential for displaying maps.

這是必不可少的顯示地圖。