| 术语 | significant figure |
| 释义 | significant figure 有效数字［位］ The digits of a numeral which have specific meanings for particular purposes , they must be kept to preserve a distinct accuracy and may not be rounded off without losing accuracy or desired precision. 一个数字中对于特定用途具有明确含义的那些数位。它们必须保持一个特有的准确度,而 不能四舍五入,以防止损失准确度和所希望的精度。 |
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