phototimer

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(guān)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；
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