It is very necessary for the optimization of machine structure.
对于机床机架结构的优化显得非常必要。
To seek psychological help it is very necessary for some patients.
寻求心理帮助对于某些病人来说是十分必要的。
It is very necessary for some patients to seek psychological help.
寻求心理帮助对于某些病人来说是十分必要的。
It is very necessary for me to collect amount of new words and vocabularies.
积累词汇对我言是非常有必要的了。
Before the IPV6 technology maturates completely, it is very necessary for NAT to exist.
在IPV 6没有完全成熟之前，NAT的存在是非常必要的。
It is quite necessary and very important for us to learn English well.
这是十分必要和非常重要的是，我们学好英语。
So it is very important and necessary for us to research the influence of dust on electric contact.
所以，研究尘土颗粒对电接触可靠性的影响具有很重要的现实意义。
So it is very important and necessary for us to research the influence of dust on electric contact.
所以，研究尘土颗粒对电接触可靠性的影响具有很重要的现实意义。
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