科学时代-面向大众传播科学知识、科学方法、科学精神和科学思想的科学普及平台。

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

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means of labour	means of labour	means of livelihood	means of livelihood	means of livelihood
means of payment	means of payment	means of payment	means of payment	means of payment
means of production	means of production	means of production	means of production	means of production
means of production	means of purchase	means of random variables	means of reconnaissance	means of subsistence
means of subsistence	means of transportation	means of transportation	means of warfare	mean solar constant
mean solar day	mean solar day	mean solar day	mean solar day	mean solar second
mean solar semidiurnal constituent	mean solar time	mean solar time	mean solar year	mean space
mean speed	mean speed	mean spherical luminous intensity	mean spheroid	mean spring low water
mean spring range	mean spring rise	mean springs	mean square	mean square
mean square	mean square	mean square	mean square consecutive fluctuation estimator	mean square contingency
mean square contingency coefficient	mean squared departure	mean-square deviation	mean square deviation	mean square deviation
mean square deviation	mean square deviation	mean square deviation	mean square displacement	mean square displacement