| 单词 | 计算出 |
| 释义 | 〔Picard〕French cleric and astronomer who made an accurate measurement of a degree of meridian and subsequently calculated the circumference of the earth (1668-1670).皮卡尔，简：(1620-1682) 法国教士和天文学家，曾做过一次经度的精确测量，并由此而计算出地球的周长(1668-1670年）〔numerable〕That can be counted; countable:可数的：能数的；可计算出的：〔calculated〕Determined by mathematical calculation.计算出的：通过数学计算来确定的〔actinium〕A radioactive element found in uranium ores, used in equilibrium with its decay products as a source of alpha rays. Its longest lived isotope is Ac 227 with a half-life of 21.7 years. Atomic number 89; melting point 1,050°C; boiling point (estimated) 3,200°C; specific gravity (calculated) 10.07; valence 3. See table at element 锕：一种在铀矿中发现的放射性元素，作为阿尔法射线能源增入点用于与其衰变产物的平衡过程中，其最长的活同位素是半衰期为21.7年的锕227。原子序数为89；熔点为1,050摄氏度；（估计的）沸点为3,200摄氏度；（计算出的）比重为10.07；原子价为3 参见 element〔Banneker〕American mathematician and astronomer who published an almanac (1792-1802) containing ephemerides that he had calculated.班尼克，本杰明：(1731-1806) 美国数学家和天文学家，他出版了一本历书（1792-1802年），其中包含他计算出的星历表〔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 |
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