查询词典 indispensable

The high frequency circuit model of transformer windings is indispensable in analyzing the transients particularly caused by the very fast transients which occur at the time of disconnecting switch operations in GIS.

变压器绕组的高频模型对于分析特快速暂态过电压对变压器的影响是非常重要的。从易于高频测量的散射参数出发，提出了一种建立变压器绕组高频电路模型的方法。

5 DIVIDING HEAD A dividing head is one of the most important attachments of the milling machine and is almost indispensable.

7.5分度头 A分度头是其中一个铣床的最重要的附件并且是几乎不可缺少的。

The design parameters of gun drill point are indispensable for inspection and grinding, especially in regrinding for worn drill points.

枪钻钻尖的设计参数是枪钻加工和检验的依据。

Since ancient time, wood, fire, earth, metal and water have been considered as basic substances to constitute the universe and they are also indispensable for life.

自古代以来，木、火、土、金、水就被认为是宇宙组成的基本物质，也是生命不可缺少的物质。

Carrying on research to the adverbs among them , it is an indispensable first work to build Chinese history.

本文对《世说新语》中的副词进行语法上的研究。

The appreciation activities of Chinese painting has been carried out for many years since ancient time, and accomplished with the deeper knowing about the aesthesis education, aesthesis education has become the indispensable part of Quality Education in pace with the development of the Appreciation Education.

我国古代的绘画鉴赏活动由来已久，近现代对美术教育的认识逐步深化，美术教育已经被确立为素质教育的必要组成部分，鉴赏教育也随之不断发展。

The "Amicus curiae" system has become an indispensable element for the adversarial system of litigation culture in Britain and the U.S.

&法庭之友&制度有助于法庭作出符合社会公正价值愿望的裁判，提升司法民主化，已成为英美对抗制诉讼文化不可或缺的重要组成部分。

Our experimental results demonstrate that by μFF-IEF with M-IPG, not only the interference of mobile carrier ampholytes in buffer, usually indispensable in traditional μFF-IEF, on the further separation by other techniques and the identification by mass spectrometry could be avoided, but also the improved resolution and detection sensitivity could be obtained compared with traditional μFF-IEF.

实验结果表明，通过发展基于M-IPG材料的μFF-IEF模式，不仅可以避免在缓冲溶液中添加两性电解质对后续采用其他模式分离和质谱鉴定的干扰，而且可以获得较高的分离和富集能力，有望在微量样品的连续分离和制备方面发挥重要作用。

Large public parks carne to be seen as "necessary institutions of democratic recreation and indispensable antidotes to urban anomie."

大型公共公园渐渐被看作是&必要的民主娱乐机构和对于城市失范不可缺少的解药。&

Measuring and computing air data is an indispensable factor in avionic systems, and the related air-data computation system has become an important part of the flight instruments.

大气飞行数据的量测以及计算是一项航空工程不可或缺的要素，而其对应的数据仪表系统也是飞行状态仪表的重要部分之一。

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。