Space Switch 接线器
dead space switch 终点限位开关 ; 静区限位开关
time space switch 时分空分接线器
space optical switch 空分光交换
space switching crossbar switch 空间交换交叉开关
As I have been writing and talking about space flight for the best part of 20 years, a sudden switch of interest to the depth of the sea doer seem peculiar.
在20年的绝大部分时间里，我一直在撰写和谈论太空飞行，突然对深海探险者的兴趣发生了转变，这似乎有些奇怪。
Packing up again with no picnic, Zack had to switch schools for the second time and space is even tighter.
扎克再次收拾行装，这并不轻松，他不得不第二次转学，而空间也更紧张了。
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