串接交换交换
tandem switching exchange
强奇异交换交换子代数
strongly singular maximal abelian self-adjoint sub
d-δ运算的交换性
reciprocal relationship of d-δ operation
GSM-R移动交换中心
mobile-service switching center(MSC
半自动讯息交换中心
semi-automatic message switching center
switching center， semiautomatic message
switching center
semiautomatic message
步进制交换中心
step-by-step switching cneter
操作的可交换性
commutativity of operations
乘法可交换性
commutativity of multiplication
储存及前向交换中心
center， stor-and-forward switching
Center
stor-and-forward switching
次级交换中心
secondary switching center
存转交换中心
store-and-forward switching center
单体交换换析
monomer exchange diffusion