By using equivalent -cavity model, quarter-wave multilayer dielectric mirrors are studied.
利用多光束干涉原理的等效腔模型对四分之一波长多层介质镜进行了研究。
Design of sub-quarter-wavelength broadband multilayer reflectivity mirror;
亚四分之一波长宽波段多层膜的设计
Design of sub-quarter-wavelength broadband multilayer reflectivity mirror
亚四分之一波长宽波段多层膜的设计
quarter-wave filter
四分之一波长滤波器
quarter-wave whip antenna
四分之一波长鞭状天线
quarter-wave transformer
四分之一波长变换器
achromatic quarter wave prism
四分之一波长消色棱镜
quarter-wave choke
四分之一波长扼流圈
quarter wave monopole
四分之一波长单极天线
quarter-wave transmission line
四分之一波长传输线
quarter-wavelength step shape impedance transformer
四分之一波长阶梯阻抗变换器
SUPERCONDUCTING BANDPASS FILTER AT P BAND USING QUARTER-WAVELENGTH RESONATORS
采用四分之一波长谐振器的P波段高温超导滤波器研制
By a quarter of wave length commutator principle, combining with electromagnetic wave absorb of filling material.
利用四分之一波长转换器原理，结合填充材制成电磁波吸收体。
a unit of length equal to a quarter of 1 mile.
长度单位等于英里的四分之一。
The article' s too long. Can you trim it ( by a quarter ) ?
这篇文章太长. 你能删减（四分之一）吗?
He tours the world on long business trips and devotes about a quarter of his time each year to "evangelism" (preaching the superiority of Microsoft and Microsoft products).
他因生意长年奔波于世界各地，而且每年有大约四分之一的时间用在宣传微软公司及微软产品。
A quarter-wave plate for, say, green light is not a quarter-wave plate for any other color.
举例来说，绿光的四分之一波片，对其它颜色的光来说就不再是四分之一波片。
The light then passes through the1/4 wave plate again.
反射光穿过物镜，再次进入四分之一波板。
Research on Effect of Quarter Wave Plate on Polarized Light by Making Use of Jones Matrix;
利用Jones矩阵研究四分之一波片对偏振光的作用
An Analysis of Adam Smith of Economic Growth Factors--A study of Adam Smith s theory of economic growth;
亚当·斯密的经济增长因素分析——亚当·斯密的经济增长理论研究之一