Both ionization and excitation lead to eletronic transitions that may be the emission of light.电离和激发都将导致可能伴随有光发射的电子跃迁.Forbidden transitions are those for which dipole radiative transitions are not allowed by the selectio...
Other causes of migraine are VDU screens and strip-lighting.偏头痛的其他诱因还有电脑的视频显示器和灯管照明。He had an office big enough for his desk and chair, plus his VDU.他有一间足以容纳书桌、椅子和视频显示器的办公室。On a graphics VDU, to turn a display image abou...
The photographs were mounted on laminated cards.照片镶在压膜卡片上。...laminated work surfaces.贴了膜的工作台The rotating slipring is insulated from the shaft by a laminated plastic bushing.旋转滑环是用片状塑料衬套与轴绝缘的.The magnetic cores of transfo...