单词	actuators
释义	actuator noun ac·​tu·​a·​tor ˈak-chə-ˌwā-tər  -shə- : one that actuates specifically : a mechanical device for moving or controlling something Example Sentences Recent Examples on the Web The object Petit had was not a handgun and was a 6-inch black metallic latch actuator. Minyvonne Burke, NBC News, 2 Sep. 2022 In this kind of jumping system, a part called an actuator moves and stores energy in a spring, which is released by a latch to propel an object into the air. Sophie Bushwick, Scientific American, 27 Apr. 2022 The case has received widespread attention on social media, where commenters have questioned how officers could mistake the actuator for a weapon and why police were slow to acknowledge that Petit was not armed. Libor Jany, Los Angeles Times, 9 Aug. 2022 Sure, the shifters are usually integrated into your brake levers rather than on your downtube, but regardless of where the actuator is located, the system is doing the same thing. Eben Weiss, Outside Online, 21 July 2022 The first is how much work an actuator can provide. Sophie Bushwick, Scientific American, 27 Apr. 2022 But for the actuator in the new mechanical jumper, the engineers used a motor—which could turn multiple times before each jump and thus keep storing more energy. Sophie Bushwick, Scientific American, 27 Apr. 2022 Dual actuator HDDs double the data rate out of the HDD. Tom Coughlin, Forbes, 29 Dec. 2021 Consisting of two powerful rare-earth magnets, the magnet assembly is a critical muscle within the hard drive, controlling an actuator arm that allows the device to read and write data. Maddie Stone, Wired, 7 Aug. 2021 See More Word History Etymology actuate + -or entry 1 First Known Use 1652, in the meaning defined above actuators noun plural of actuator as in levers Synonyms & Similar Words Relevance levers knobs switches buttons controllers keys dials regulators push buttons selectors controls
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