“knob”的概念、定义、翻译、参考文献-科学参考

单词	knob
释义	knob [näb] ^{DESIGN ENGINEERING} A component that is placed on a control shaft to facilitate manual rotation of the shaft; sometimes has a pointer or markings to indicate shaft position. ^GEOLOGY 1. A rounded eminence, such as a knoll, hillock, or small hill or mountain, and especially a prominent or isolated hill with steep sides. 2. A peak or other projection at the top of a hill or mountain.
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