我国在高温超导电缆的研发领域实现了上百项创新与突破,取得了30多项专利。借助超导材料零电阻的特性,高温超导电缆与常规电缆相比,输电损耗只有它的一半,而输电能力却是它的3到5倍。这说明( )
When he came back, his wife was found _________.
Every minute should be made the most of ________ our lessons well.
Our English teacher recommended that we ________ an English dictionary.
I don’t think he is right, ________?
I shall never forget the day __________ Shen Zhou V was launched, _________ has a great effect on my life.