常見例句A race is timed electronically by a phototimer which is accurate to one hundredth of a second. 徑賽采用配有攝影計時器的電子計時,精確到百分之一秒。split measurement type phototimer 分割測量式曝光限時器phototimer for indirect radiography X線間接攝影用限時器Keywords Brightness;Film image density;Phototimer;Exposure control; 關鍵詞亮度;膠片影像密度;光電計時器;曝光控制;9.A race is timed electronically by a phototimer which is accurate to one hundredth of a second. 徑賽采用配有攝影計時器的電子計時,精確到百分之一秒。The phototimer keep warm; 照相機的保暖; 返回 phototimer