不可缺少

Advantageous physical and chemical characteristics, the highly purified and ultra-fine fused spherical quartz powders (spherical silica powder—SSP) become indispensable for packing and sealing materials in LSI and SLSI. The actuality of research and development of SSP in China is studied and the international situation of production is also introduced briefly.

高纯超细熔融球形石英粉由于具有高纯度、高耐热、高耐湿性、高可靠性、高填充量、低粘度、低放射性、低应力、低膨胀、低摩擦系数等优越的物理化学性能，在大规模、超大规模集成电路的基板和封装料中，成了不可缺少的优质材料。

Profession essential part,Its content said regarding enterprise s superintendents and thetechnical worker all very important,Therefore...

汽车修理管理系统是一个汽车修理行业不可缺少的部分，它的内容对于企业的管理者和技术工人来说都至关重要，所以。。。

Meanwhile, metaphor is an indispensable means by which human beings recognize the world. The metaphoric cognitive mechanism affects the syntagmatic and paradigmatic relations in sentences and it can change the original semantic rule of the sentence.

同时，隐喻又是人类认知世界过程中一种不可缺少的重要方式和手段，它的认知功能直接影响着句子的组合关系，可以改变句子原有的语义规则。

Televisions have become something that influences the whole world and that people can't live without.

电视已经成为一种影响全世界，而且在人们生活中不可缺少的东西。

Organic photoconductive materials have been extensively applied to electrophotography, laser printer, photocell, holography, which are the important high-technological materials in modern information society.

有机光电导材料（Organic Photoconductive Material，简称OPC）在静电复印、激光打印、光电池、全息照像等领域有广泛应用，已成为现代信息社会不可缺少的高技术材料。

It is an unavoidable part of the route for land-based traffickers taking drugs from South to North America.

这是毒贩从南美到北美主要依靠陆地的毒品运输所不可缺少的一步。

Xabi Alonso's omission from the starting line-up in the semi-final proved that nobody is undroppable

哈维·阿隆索冠军杯半决赛的缺阵证明每个人都不是不可缺少的

I have to declare the decision of His Majesty's Government-and I feel sure it is a decision in which the great Dominations will in due course concur-for we must speak out now at once, without a day's delay.

句型的多样化对于好的文章来说是不可缺少的。好几句长短相同、结构相似的句子连在一起，如又用同一个名词或代词做主语，势必会显得非常单调。

Because doped lithium niobate crystals have the advantages of easy growth, low cost, stable performance and etc., these cryst...

高密度数据存储技术始终是信息技术和计算机技术发展中不可缺少的关键环节。

Thus the connecting rod is examined in the production to be frequent and the also essential link.

因而连杆检测成了生产中频繁而又不可缺少的环节。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。