不可缺少的

Extracurricular Activities is not a neglectable process.

课外活动是学校生活不可缺少的一环。

These results indicated that TopoⅡ played an important role in chromosome organization.

从而证明TopoⅡ是一种染色体集缩过程不可缺少的活性蛋白。

Out of class sports is a unlost part of school life.

课外活动是学校生活不可缺少的一环。

Waer resources are the natural resources and environment resources essential to the existence of living things.

水资源是生物生存不可缺少的自然资源和环境资源。

Thought education was an integral part of Sun Yat Sen's philosophical doctrines.

教育思想是孙中山思想体系中不可缺少的组成部分。

It is an indispensable component in the education that the infant educates dance.

幼儿舞蹈教育是教育中不可缺少的组成部分。

Purchasing as an indispensable part of supply chain infiltrates into its all processes.

采购作为供应链不可缺少的重要部分，贯穿于整个供应链。

Besides, the cost of the instrument should be lowed.

因此它是精密机械工业不可缺少的测量工具。

No one knows for certain, but most people think that robots will be part of our lives.

没有人确切知道，但大多数人相信机器人将会成为我们生活中不可缺少的一部分。

Indeed, lyrics are also beautiful verses, often rhymed.

&觉得是这首歌里不可缺少的亮点，有往事不堪回首之状。&

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。