必不可少

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

发展到了今天，变量化设计已经成为二维绘图和三维特征设计的必不可少的基本功能。

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

虽然钱是必不可少的，我们的生活，我们的钱可以拖动脏进了地狱。

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.

图论作为离散数学中重要的组成部分，与计算机科学有着千丝万缕的联系，是其核心课程数据结构的必不可少的基础。

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

自主访问控制机制是安全操作系统必不可少的、应用最广泛的安全机制之一。

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.

在中国再平衡其经济、从固定资产投资模式转向国内消费及服务模式的过程中，持续的金融业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

人们普遍认为计算机和其他机器已经成为我们社会必不可少的一部分。它们使我们的生活更

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

的确，在每个人认为必备的东西中，管道胶带已经是必不可少的物品了。

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

目前，稀土永磁材料已广泛应用于高科技领域，是现代科技必不可少的新型材料。

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.

人们普遍认为计算机和其他机器已经成为我们社会必不可少的一部分。它们使我们的生活更舒适，减少了大量劳动。

And it is essential for displaying maps.

这是必不可少的显示地图。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。