| 单词 | switching onor off |
| 释义 | > as lemmasswitching onor off a. Shunting of railway trains, etc.; connection or disconnexion ( switching onor off) of electric circuits; also figurative: see switch v. 6 – 8. ΘΚΠ society > travel > rail travel > [noun] > operation of railways > shunting shunting1858 shunt1862 switching1889 the world > matter > physics > electromagnetic radiation > electricity > circuit > [noun] > connection or disconnection switching1889 1889 W. H. Preece & J. Maier Telephone xxx. 461 This switch consisted of a board provided with as many spring plates as there were transmitters, and which allowed the switching on or off the batteries working the microphones. 1897 T. C. Allbutt et al. Syst. Med. IV. 146 This switching off of the skin from its connection with the respiratory and placing it in relation with the portal system. 1898 H. E. Hamblen Gen. Manager's Story xii. 175 When I got there, I found four hours' switching..to get my train together. < as lemmas |
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