光三分路器
three-way optical distributor
代码分路多路存取
code-division multiple access
光分路器分光比
optical divide ratio of optical distributors
optical divide ratio of optical tapping element
空分多址接入-空分多路存取
SDMspace division multiple access
分区空调
Zone Division Air-conditioning
分区-空调
Division Air-conditioning
分区空调系统
Zona air conditioning system
轨、路、空三位一体
the trinity of raic road and air
空调三机
three air-conditioning machines
三分三
anisodus acutangulus
acutangular anisodus root
三区分布
Distribution of Three Zones
三区分划法
the three zoning treatment