| 释义 |
tachometry
ta·chom·e·ter T0007400 (tă-kŏm′ĭ-tər, tə-)n. An instrument used to measure the rotations per minute of a rotating shaft.
[Greek takhos, speed + -meter.]
tach′o·met′ric (tăk′ə-mĕt′rĭk) adj.ta·chom′e·try n.Tachistoscope
Tachistoscope a device for the brief presentation of visual stimuli, such as letters, words, numbers, or geometric figures. Tachistoscopes are used in psychology to determine the speed and accuracy of perception and to study attention. MedicalSeetachometer |