Duckdata is a bibliographical database of North American waterfowl Anatidae and their wetlands habitats.水禽数据库是有关北美水禽和它们的湿地栖息地的书目数据库.Facies of species are often connected with extreme or disturbed habitats.植物种的群常与严酷或干扰的生境...
光的量子理论与这些观察完全相符.The quantum theory of light is in complete accord with these observations.量子化学的重要生物学应用正在不断增加.Significant biological applications of quantum chemistry are on the increase.完整地讨论这个问题需要应用量子电动力学.To treat the p...
He has been clocked at 11 seconds for 100 metres.他100米跑了11秒。They clocked off duty and left at ten to three.他们打卡下班，于2点50分离开。Rude taxi drivers clocked up a total of 239 offences in 1990.1990年，出租车司机鲁莽驾驶导致的违章事件总共达239起。...