nbsp; 链路预算是指在保证接收端激光功率充足的情况下，可以容忍的信号损耗量。链路预算越低，意味着功率越低、成本越低、误码率越低。 &
rict has been higher, and the growth process of poplar trees has also accelerated, Sun said.In Hohhot, Inner Mongolia Autonomous Region, Huang Hui, director of the Allergy Department at the Tuoketuo C
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