极其重要

Cavitations is the major problems of designing water hydraulic valve, understanding the relationship between shape of valve and cavitations , avoiding cavitations is extremely important, this paper, the numerical simulation and visualization research of flow field is carried out to research relation between the flow field of poppet valve and the length of valve seat by finite volume numerical method.

气穴是研制水压阀存在的主要难题，认识阀口形状与气穴的关系，避免产生气穴现象是极其重要，本文应用有限体积数值计算方法针对阀座倒角长度变化对水压阀阀道内流场的影响进行数值模拟和可视化研究，得到了一些有益的结论：倒角长度的改变对阀口间隙以及阀芯锥面与柱面相接的地方的负压会产生比较大的影响

Among the metal oxides, molybdenum phosphates are of great importance.

在金属氧簇化合物中，磷钼酸盐是一类极其重要的物质。

As a kind of orthodox refined poem, the SiYan Poem held a very important position among the JiaoQi songs (the songs which worshiped god and ancestors) in the temple in the XiHan Dynasty and it remained undeveloped after the DongHan Dynasty and became a kind of paeans, which purely praised beauty.

作为一种正统雅诗，四言诗在西汉宗庙郊祀歌中占有了极其重要的地位，东汉以后此类诗走向僵化，成为一种纯粹颂美的赞歌。

The propeller shaft frequency is one of the important target recognition features for passive sonar.

螺旋桨轴频是被动声纳极其重要的目标识别特征之一。

Corn hybrid variety identification hasalways been a difficult point of seed testing in china,it has important practicalsignificance to study and spread fast corn variety identification for country andenterprises.

而玉米杂交种纯度鉴定是我国种子检验工作的一个难点，研究和推广快速玉米种子纯度检测技术，对国家和企业具有极其重要的现实意义。

A fast,flexible information network is as essential to manufacturing as steel and plastic.

快速、灵活的信息网络对于加工业，如钢铁和塑料是极其重要的。

The conformance testing is absolutely necessary during the development process of protocol stack software, which takes on the most important significance and practical value.

一致性测试是协议找软件开发过程中一个必不可少的环节，对3G系统的应用开发具有极其重要的意义和实用价值。

The diameter of single-walled carbon nanotube has very significant effect on its properties,especially hydrogen storage property.

单壁碳纳米管的管径对其性能、特别是储氢性能有极其重要的影响，但至今未见制备过程中系统控制单壁碳纳米管管径的报道。

This study indicates that it is very important to monitor serum drug concentrations for epilepsy therapy.

血药浓度监测对癫癎治疗具有极其重要的临床意义。

The world tanker fleet plays a significant role in global sea-borne oil transportation system, especially in the large amount of crude oil transportation.

世界油轮运输船队在世界海运船队中占有极其重要的地位。

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。