The source of electrons in an electron microscope is a heated filament.电子显微镜中的电子源,是一加热的灯丝.Characterzation: high quality quartz bulb, biplanar filament which enables increased illumination, uniform color temperature and l...
Anastigmatic lens : Photographic lens corrected astigmatism as well as other distortions. Process camera lenses are anastigmats.消像差透镜: 消除纵横像差和其他畸变的摄影用透镜. 制版照相机所用的镜头是消像差透镜.Results 25 cases have satisfied effects after epi...
边门两旁,是两株瘦小的苹果树那多节的桠枝.Two stunted apple trees raised their gnarled andbranchesside of the wicket gate.左边脊柱多节的赘生物是由退变性骨关节炎引起的.The knobby excrescences at the left side of this vertebral column are due to degenerative osteoa...
A stark , rocky promontory towered over a stand of majestic pines.一片悬崖高耸在一片巍巍的松树之上....a promontory jutting out into the bay.向海湾伸出的海角Coastal winds are also causing problems with a fire at Wilsons Promontory.沿海风力也造成问题发生火灾,...
Brits in the list include actress Tilda Swinton and heiress Jemima Khan.荣登此榜的英国名人还包括女演员蒂尔达斯文顿和豪门女继承人杰迈玛可汗.Holiday mad Brits are packing their buckets and spades and heading for the sun.酷爱假日的英国人正收拾小桶和锹铲前往阳光充足的地方。Other Bri...