phototimer

基本解釋

A race is timed electronically by a phototimer which is accurate to one hundredth of a second.
逕賽採(cǎi)用配有攝影計(jì)時(shí)器的電子計(jì)時(shí)，精確到百分之一秒。
split measurement type phototimer
分割測(cè)量式曝光限時(shí)器
phototimer for indirect radiography
X線間接攝影用限時(shí)器
Keywords Brightness;Film image density;Phototimer;Exposure control;
關(guān)鍵詞亮度;膠片影像密度;光電計(jì)時(shí)器;曝光控制;
9.A race is timed electronically by a phototimer which is accurate to one hundredth of a second.
逕賽採(cǎi)用配有攝影計(jì)時(shí)器的電子計(jì)時(shí)，精確到百分之一秒。