Based on a miniaturized microwave cavity developed by ourselves and the separatedfilter technique, a new type of cavity-cell assembly for gas cell rubidium frequency standards was made.
在自行研制的一种小型化微波腔的基础上，新近研制出采用分离滤光技术的气泡型铷频标腔泡系统。
2
Kidneys: they filter blood and through resorption urine is separated from the blood.
肾脏：它们对血液进行过滤，然后通过再吸收将尿从血液中分离。
3
In this experiment, dry filter mud was taken as raw material to extract sugarcane wax, and higher aliphatic alkanol products were separated from sugarcane wax.