必不可少

Hence the reason a cutting board and chopper are an essential part of any Asian kitchen.

因此，在亚洲菜烹饪过程中，菜板和菜刀是必不可少的工具。

It is an important process of cytogenetics to study the structures and functions of chromosome, the main carrier of genetic material DNA.

染色体作为主要的遗传物质DNA载体，研究它的结构和功能是细胞遗传学必不可少的重要环节。

History is seen not as essential experience to be transmitted to new generations, but as abstractions that carry dank odors

历史不是被看作留传给新一代的必不可少的经验，而是带有霉味的抽象概念。

History is seen not as essential experience to be transmitted to new generations, but as abstraction s that carry dank odors

历史不是被看作留传给新一代的必不可少的经验，而是带有霉味的抽象概念。

His to ry is seen not as essential experience to be transmitted to new generations, but as abstractions that carry dank odors

历史不是被看作留传给新一代的必不可少的经验，而是带有霉味的抽象概念。

Along with the fast development of the power system, DEH has become the essential control system for steam turbines , especially for large steam turbines .

随着电力系统的飞速发展，数字电液控制系统成为当今汽轮机特别是大型汽轮机必不可少的控制系统。

However love and conviction are the melody of life, but it is necessary to have to the deliberation of life meaning.

然而爱。信念是人生的旋律，但对人生意义的思索也是必不可少的。

It is absolutely necessary to demodulate the time-coordinated signal for a real-time system.

对于一个实时的遥测系统，时统解调是必不可少的。

During modulation and demodulation, filter is an important step.

调制解调过程中，滤波是一个必不可少的环节。

John Denham, Skills Secretary, has gone on record as saying that "investing in training is essential to any business, but is more important than ever in the current economic climate."

约翰德纳姆，秘书技能，已经持续了创纪录的话说，"投资于培训是必不可少的任何业务，但更重要的是比以往任何时候都在目前的经济气候。"

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。