| 单词 | 常数 |
| 释义 | 〔scalar〕A device that yields an output equal to the input multiplied by a constant, as in a linear amplifier.放大器：一种其产生的输出值是输入值与某常数乘积的装置，如线性放大器〔Avogadro〕Italian chemist and physicist who advanced the hypothesis that has come to be called Avogadro's law. From this hypothesis other physicists were able to calculate Avogadro's number.阿伏加德罗，阿梅代：(1776-1856) 意大利化学家及物理学家，他发展了后来被称为阿伏加德罗定律的假说。以这个假说出发，其他物理学家计算出了阿伏加德罗常数〔catholic〕"The 100-odd pages of formulas and constants are surely the most catholic to be found"(Scientific American)“这一百页的公式和常数无疑是目前所见最广博的”(科学美国人)〔parameter〕A constant in an equation that varies in other equations of the same general form, especially such a constant in the equation of a curve or surface that can be varied to represent a family of curves or surfaces.参数，参量：在相同一般类型的等式中取值变化的等式中的常数或常量，尤其是曲线方程和平面方程中能代表一类曲线或平面的常量 |
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