A huge tusk decorated the wall of his study.他书房的墙上装饰着一支巨大的象牙.Elephants wear the tusk down faster than they can grow it.象牙磨损的速度快于生长的速度。a long spiral ivory tusk扭曲的长尖牙The narwhal's single, spiral tusk has always been a...
Conclusion The outbreak of pharyngoconjuctivitis was caused by adenovirus type 3.结论疫情是由腺病毒3型引起的咽结膜炎暴发....the dangers inherent in an outbreak of war.一旦爆发战争所固有的危险an outbreak of food poisoning食物中毒事件UN officials are warning ...
Above 100 MHz repetition rate and sub - nanosecond impulser is designed, combined with filter technology.本文结合传统的滤波器技术,设计了能够达到百兆赫兹以上重复速率、亚纳秒量级的窄脉冲发生器....