| 释义 |
tik·ker
noun
or ticker \ˈtikə(r)\
(-s)
Etymology: tikker alteration of ticker (I)
: a form of interrupter used in the early days of radio as a detector of continuous waves consisting of a rapidly rotating wheel and a fine wire brush with the current made and broken by momentary contacts between the brush and a continuous strip of conducting material in the rim of the wheel |