Dirac's theory also predicted a negatively charged sister for the proton, called the antiproton.狄喇克的理论还预言有一种质子的姐妹粒子,带负电荷, 叫做反质子.Similarly the positively charged proton has a negatively charged antiparticle, the anti...
Aim to do some physical activity three times a week for optimum health.为了达到最佳的健康状况，要力争每周进行3次身体锻炼。Physical Properties - When freshly distilled, citral is an almost colorless oil possessing a characteristic lemon odor.新蒸馏出...
Power law probability distributions of multiscale auroral dynamics from ground - based TV observations.根据陆基TV观测多尺度极光动力学的幂律概率分布.More normal auroral rings had been previously imaged around Saturn.更多正常的土星环行极光被拍摄到.A prominen...