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1)  toroidal astigmatism
环形像散
2)  annular imaging
环形成像
1.
Image restoration for super hemisphere annular imaging system
超半球环形成像系统的图像恢复
3)  annular image
环形像
1.
In the detection of the feature of the pipeline wall,the observing system made up of PAL can observe objects around the lens without moving parts,and for the special imaging feature of PAL,that can form an annular image.
在管道内壁形貌检测系统中,由全景环形透镜(PAL)组成的观测系统在没有活动部件的条件下,能够同时观测到绕光轴360°的物体,并且由于其独特的成像性能,能够产生一个环形像。
4)  circumferential dispersion
环形散射
5)  annular denuder
环形扩散管
1.
The gasphase polycyclic aromatic hydrocarbons(PAHs)were trapped using annular denuder coated with XAD-2 resin that was applied from a hexane slurry.
建立了环形扩散管采集环境空气中气态多环芳烃的方法,采用平行实验分别比较了不同涂渍介质和不同吸附树脂对采样效率的影响。
2.
Compared to annular denuder, the collection efficiency and capacity of honeycomb denuder were higher than annular.
研究表明 :2 %HNO3 2 %甘油对气态硒的收集效率为 99 1%和环形扩散管 (AD)相比 ,HD的收集效率和收集容量都更大。
3.
An annular denuder system(ADS), which consisted of denuder tubes striping the reactive gases from air and leaving the particles on the filters was designed.
应用环形扩散管同时采集和分离空气中气态组分和气溶胶颗粒两种状态的污染物,解决了采集过程中气体和颗粒物相互干扰问题。
6)  annular radiator
环形散热器
补充资料:环形
圆环。也指这样的形状。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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