photochronograph

名词 n.
中文释义

英文释义

名词 n.
  1. An instrument for recording very short intervals of time. The record is made by the power of a magnetic field, due to an electric signaling current, to turn the plane of polarization of light. A flash, coinciding in time and duration with the signal, is thus produced and is photographed on a moving plate.
  2. An instrument for the photographic recording of star transits.

词形变化

photochronographs plural

词源

From photo- + chronograph.
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