on-off switch [电] 通断开关 ; 双控开关 ; 开关 ; [电] 双位开关
motor on-off switch 马达启停开关 ; 发动机双位开关 ; 马达开停启闭 ; [电] 电动机启停开关
ON-OFF SWITCH & VOLUME CONTROL 带电源开关的音量控制
breaker on-off switch 断路器通断开关
with on off switch 与关于开关 ; 与关闭开关 ; 与开关切换
brake on-off switch 制动开关
Auto Focus ON OFF Switch 自动聚焦开关
on and off switch 通断开关 ; 电源开关
The engineers are also trying to develop an on-and-off "switch" where the glow would fade when exposed to daylight.
工程师们还试图研制一种间断式“开关”，当暴露在日光下时，光照会逐渐消失。
Scientists have developed an on-off switch in memory.
科学家已研制出一种记忆开关。
Contiguous to each gene is DNA that doesn't code for protein; instead, it functions as the gene's on-off switch.
每个相邻基因之间是不能编码蛋白质的dna；相反，它起着基因启动-关闭开关的功能。
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