指向角 meaning in English

angle of direction
angle of spread
angleof read

This series employs knot - shaped bi - phase system of high frequency driver , co - axial technology , constant pointing horn to obtain even transmission of frequency within pointing angle , and near / far field strength - adjustable dance horn technology
采用了高音驱动器的“桔状双相位系统” 、同轴技术、在指向角范围内得到均匀传送频率特性的恒定指向性号角，远近声场可变强度舞蹈号角技术。