有线电视广播系统技术规范 | 深圳市威尔达科技有限... ... 复合三次差拍 composite triple beat(CTB) 载波复合三次差拍比 carrier to composite triple beat ratio(C/CTB) 载噪比 carrier to noise ratio ...
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他们在竞争中失败了。
She says: "I believe that the day is not far off when we will be able to prescribe drugs that cause severed spinal cords to heal, hearts to regenerate and lost limbs to regrow."
她说:“我相信,我们能够开出药方,让切断的脊髓愈合、心脏再生、失去的四肢再生的那一天不远了。”
Perhaps the charm of the physical book will be lost one day. But I doubt it.
也许有一天纸质图书的魅力将不复存在。但我对此持怀疑态度。
Health experts say adults should drink about two liters of water a day to replace all the water lost in liquid wastes and perspiration.
VOA: special.2010.07.27
"Look at the animals that we lost the other day because of drought.
VOA: standard.2009.10.13
London and Tokyo lost just over 1.5 percent on the day.
VOA: standard.2010.05.20
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