定向照明  Directional illumination; spotlighting

定向照明定向照明  directional lighting

定向照明分析  Directional illumination

不分明定向作用  menotaxis

单向定向  unidirectional orientation

定向定位  directing and positioning; orientation positioning; direction-finding location; direction and location determination

横向定向  transversal orientation

立体定向照射  stereotactic irradiation; body gamma knief

立体定向照射野  stereotactic radio fields

支路功率定向定值控制  branch power setting control

侧向照明  side lighting; side illumination

方向照明  directional lighting

横向照明  transverse illumination

轴向照明  axis lighting

纵向照明  longitudinal illumination; longitudianl comparatorlongitudianl illumination

照明照度照射亮度  illumination

照明照亮  III

[无线电定向]天电计  ceraunometer

[无线电定向]天电仪  ceraunograph

海石光束定向器  SLBD