field angle 张角或光束角 ; [光] 视场角 ; 场角 ; 泛光角
angle of field 视场角 ; 视场 ; 视野角
field-of-view angle 视场角 ; 视界角
half-field angle 半视场角
half field angle 半视界角
Pictured above, a wide Angle, deep field image of the Cat's Paw nebula was culled from the second Digitized Sky Survey.
上而的猫爪星云的广角深空照片是从第二次数字化巡天中挑出来的。
The researchers believe that the loggerheads create their mental magnetic map by combining information about the angle of the magnetic field with its intensity.
研究者认为红海龟结合地球磁场的方向和强度两种信息来确定路线图。
Another important application of diffraction theory is the study of the far field divergence Angle of a collimated light beam.
衍射理论的另一个重要应用就是研究准直光束的远场发散角。
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