defocusing of beam
英
美
光束去焦
双语例句
- The conditions of focusing, defocusing and trapping of light beam are given.
给出了光束的聚焦、散焦和陷的条件。 - Quantitative measurement of absorption and defocusing of laser beam by electric arc
电弧对激光吸收与散焦的定量测量 - Investigation of defocusing of probe beam in photothermal refraction spectroscopy
激光光热折射光谱法探测束散焦特性研究