一对短翅.一对猎鹰的短翅!Short wings A falcon's short wings!应用计算机技术,分析了山西历山自然保护区的白须双针蟋、短翅灶蟋、银川油葫芦、迷卡斗蟋4种蟋蟀雄性的鸣声结构.The paper analysed the male song structures of four species of crickets from Lishan Nature Reserve....
Some sedatives produce the paradoxical effect of making the person more anxious...一些镇静剂适得其反，加重了患者的焦虑。Some sedatives produce the para-doxical effect of making the person more anxious.一些镇静剂适得其反，加重了患者的焦虑。Objective : To inve...
Waves are related to oscillating systems.波动与振动系统有关.I checked to see if the needle indicating volume was oscillating.我查看了那根音量指针是否在摆动。In each cycle of operation the particle picks up energy from the oscillating eletric fie...