Prisms providing deviations ranging from about 15� � to roughly 45� � are available commercially.市场上能买到的棱镜的偏转角大约从15°到45°.Chuunin delcredere, providing each year by bond to guarantee the collection of Jiangxi chenming.本次贷...
The spade and fork have longer shafts, providing better leverage.锹和耙的手柄较长，可发挥较好的杠杆作用。The larger firm was capable of providing a better range of services.较大的公司能够提供一系列更好的服务。Newspapers, television and radio are all providin...
Cetaceans reduce the number of breaths they take during rest periods.鲸类动物在休息时减少它们的呼吸次数.It is not clear whether cetaceans undergo dream sleep.鲸类动物是否经历梦睡眠还不清楚.Missing until recently were fossils clearly intermediate, or tr...