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Fixed scale with sliding cursors for conversion between units, particularly conversion between Europe and local currency
Fixed scale with sliding cursors for conversion between units, particularly conversion between Europe and local currency
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机译:固定比例,带有滑动光标,可在单位之间转换,尤其是在欧洲和当地货币之间转换
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摘要
The conversion device has cursors (4-6) that slide along a linear strip, which is marked with two scales (2-3) with corresponding numeric values for the two units. the numeric values on the two scales are rounded to a pre-determined accuracy. The linear strip carrying the scales can be a rigid rule or a flexible tape.
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