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A device for shifting gears on a bicycle by moving the chain between sprocket wheels of different sizes.
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脱轨器，转撤器通过在不同大小的扣链齿轮间移动链条而转换自行车齿轮（换档）的装置 |
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A device for slowing or stopping motion, as of a vehicle, especially by contact friction.
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闸使运动减速或停止的装置，如汽车的减速装置，尤指通过接触摩擦 |
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A device for transmitting rotary motion, consisting of a handle or arm attached at right angles to a shaft.
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曲柄一个传递转动的部件，包括一个手柄或把手与一个轴直角相连 |
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A device for winnowing grain.
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簸谷器；风选机去糠的设备 |
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A device in a visual display unit which allows storage and continuous display of a frame of data.
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视频显示设备中的一种装置,可以存储并连续显示一帧的数据。 |
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A device in gas lamps consisting of a sheath of threads that gives off brilliant illumination when heated by the flame.
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灯罩煤油灯内一装置，是一个由许多线结成的套构成的，被火焰加热后产生灿烂的光芒 |
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A device measuring a centimeter across could in principle hold up to 1066 bits—a mind-boggling amount.
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原则上，一个一立方公分的装置能够储存至1066位元，这是个大到难以想像的含量。 |
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A device or contrivance; a gadget.
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玩意儿一种装置或发明物；小机件 |
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A device or emblem worn as an insignia of rank, office, or membership in an organization.
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徽章一种作为军衔、官衔或某一组织中会员的标志而佩带的图案或符号 |
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A device or substance, such as tear gas, used to incapacitate individuals temporarily, as in riot control.
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致残剂一种可使人暂时致残的装置或物质，如平定暴乱时所用的催泪瓦斯 |
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A device placed in the mouth to keep it open, as in dentistry.
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张口器如牙科中放在嘴里使嘴张开的装置 |
