The planet is probably in orbit around a small star.这颗行星可能正环绕着一颗小恒星运行。Yet bigger satellites will be sent up into orbit.更为大型的卫星将被送入轨道。The orbit of this comet intersects the orbit of the Earth.这颗彗星的轨道与地球的轨道交叉。...
Objective To study the CT findings of dermoid cyst of the orbit.目的分析眼眶皮样囊肿的CT表现.In the late 1970s Laos fell within the orbit of Vietnam and the Soviet Union.20世纪70年代末，老挝被纳入了越南和苏联的势力范围。Pluto has an elliptic orbit.冥王星的轨道是椭...
Her religion was a crutch to her when John died.约翰死后,她在精神上依靠宗教信仰支撑住自己.He gave up the crutch of alcohol.他戒掉了酒瘾。The calculator is a tool, not a crutch; yet it is increasingly being used as a crutch by many children...计算器是工...
鸟类 、 爬虫及昆虫是卵生的.Birds, reptiles and insects come from eggs.哺乳类起源于中生代宛若原始的爬虫类.Mammals arose from a fairly primitive reptile in the Mesozoic era.它们就把所有目力见得着的鸟儿,和所有还没入蛰的爬虫, 都引得注意起来.They attracted the attention of every bird ...
目前大量应用的是更先进的流化床干燥器.More modern fluid bed driers are now much in use.真空耙式干燥器 、 真空罐 、 种子罐 、 蒸馏锅.Vacuum Rake dryers, vacuum cans, seeds, pots, pot distillation.气流干燥器是化工生产中广泛应用的干燥装置.Flash dryer is a extensive applying drying...