• 1. 近光束: dipped beam
• 2. 不对称近光束前照灯: Asymmetric low beam headlamp
• 3. 近光光束: passing beam

更多释义

• 1.而激光动机公司制造的光伏板是用砷和镓制作的，这种光伏板能更好地从激光光束中近红外分层波长中的能量。
  LaserMotive USES special cells made with arsenic and gallium, elements better able to capture the near-infra-red wavelengths of its laser beam.
  dict.yoduao.com
• 2.利用光线追踪方法在近轴近似下模拟了高斯光束在不同折射率分布纤维状介质中的传播。
  In this paper, it is analyzed the propagation of a Gaussian beam in fiber media with ray tracing under the paraxial approximation.
  dict.yoduao.com
• 3.从近轴波动方程出发推导了窄带和宽带双曲正割脉冲光束的解析传输公式。
  Starting from paraxial wave equation, analytical propagation expressions of hyperbolic secant pulsed beams with narrowband and broadband are derived.
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