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rotary dialing
meaning in English
旋转拨号
Examples
The keypad is a vestige of the
rotary dial
, which itself is an artefact of the switch from human operators to direct - dialling in the 1920s
数字键盘演变自转盘拨号器,而转盘拨号器则是1920年代人工接线员向直接拨号转变的产物。
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