您要查找的是不是:
- periodic focusing field 周期聚焦场
- periodic focusing magnetic field 周期永磁聚焦系统
- From t wenty century eighty decade, Customer Perceived Value (CPV) has become the focus field attended by marketing researchers and managers of enterprises. 自20世纪80年代以来,顾客感知价值研究已成为营销学者和企业经理人共同关注的焦点领域。
- The early period focused on the expression of yearning for love and the boudoir repinings, and the consciousness of the past appeared. 前期词以表现春思、闺怨为主、怀旧意识已初露端倪。
- An EDG of flat input/outputs can also maintain a good linear dispersion and a perfect focused field as a conventional EDG This paper presents a design method for an EDG of flat input/outputs ispresented. 同时平场输入/输出的EDG能够保持良好的线性色散和聚集效果。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Control of Beam Halo-chaos Through a Solenoidal Focusing Field by Using Sampling Function 利用抽样函数实现螺线聚焦管道中的束晕-混沌控制研究
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- Study of the Periodic Focusing System Using Permanent Magnet in Traveling Wave Tubes 行波管中周期永磁聚焦系统的研究
- This paper introduces some research methods of biomaterials preparation, checking and appraisal by taking some focus fields on present biomaterials research for example. 本文以目前生物材料研究的一些热点领域为例,介绍了一些研究生物材料的制备、检测和评价方法。
- Resonances and Halo Formation of Space Charge Dominated Beams in Periodic Focusing Channels 周期性聚焦结构中强流束的共振与束晕形成
- He had to decide within a given period. 他得在一定时间内作出决定。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。
- In that period auto sales hit a14-year low. 这时期汽车销售量达到14年来最低水平。
- In this period, unemployment reaches record levels. 这段时间的失业人数又达到了创纪录水平。
- Which period of history are you studying? 你正在学哪一段历史?
- Can you tell me the time period when it was stolen? 能不能告诉我大概什么时候被偷的?
- Chaucer wrote in the late mediaeval period. 乔叟写作的时代是中世纪末。