beam divergence angle射: shoot; fire散: break up; disperse角: role; part; character波束发散角: beam divergence angle光束发散角: beam divergence angle; beam-divergence angle下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:射束发散角，即可在微信中查询翻译
