单腺泡腔小而狭窄，但肺泡的腔却大而膨满。
The lumen of the acinus is small and narrow but that of the alveolus is large and distended.
单腺泡腔小而狭窄，但小泡状腺的腔却大而膨满。
The lumen of the acinus is small and narrow, but that of the alveolus is large and distended.
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。
Based on a miniaturized microwave cavity developed by ourselves and the separated filter technique, a new type of cavity-cell assembly for gas cell rubidium frequency standards was made.
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