However, the modulation - demodulation of ultraviolet and voice transmission are the key technologies.然而, 紫外光通信的 调制解调技术 以及语音传输是整个系统的关键难点.FM receiver through demodulation , the frequency signals into sound signals.调频接收机通过...
Molded plastic is almost indestructible, but scuffs easily.注塑几乎弄不坏，但是容易磨损。These covers would not shine like paint, but they absorbed scuffs and scrapes with less notice.这些包括不亮如漆, 但他们吸收较少通知scuffs和擦伤....
靠近生长着的稍皮内有水浸出点,使该处膨大.Water - soaked exuding spots occur in the bark near the growing shoot tips.颠茄酊是一种应用广泛的制剂.它是颠茄叶的水和乙醇浸出物.Belladonna Tincture, is a widly used preparation that consists of an aqueous - alcoholic extract...
树林上空飘浮着一股烟。There was a drift of smoke above the trees.纽曼又倒了些黑咖啡，接着点了支烟。Newman poured more black coffee and lit a cigarette.我跑了26圈时，保时捷车冒出了蓝烟。As I completed my 26th lap the Porsche puffed blue smoke....