beam angle meaning in English
波束角、束张角
波束张角
光束角
光束孔径角，射束孔径角
散射束锥角
射束夹角
射束角度
束张角
Examples
- Method of measurement of center beam intensity and beam angle of reflector lamps
反射灯中心光强和光束角的测量方法 - Beam angles of spotlights
聚光灯光束角度 - Method of measurement of centre beam intensity and beam angle of reflector lamps
反光灯的中心波束强度及波束张角的测量方法 - Light beam angle 30
光束角度30 - Type : mr16 , whith cover and without covers , various beam angle , and various specifications
型号: mr16 ，有盖及无盖，各类型的光束角度，规格齐全。