中国国家标准名称2 ... 光学分划零件通用技术条件 General specification of optical components for the scale and surface defects 直接动作电测量记录仪 Direct acting electrical measuring recorders 光学系统像质测试方法 Image quality of optical systems - Method of determination ...
双语例句
1
The wavefunction of free electron in a strong laser plasma is obtained by solving exactly the Dirac equation in a curved space-time with optical metric for the laser plasma.