图4 - 2就是目前实验室里的验电器样式.Figure 4 - 2 shows a present - day laboratory version of the electroscope.验电器的叶片慢慢张开.The leaves of the electroscope slowly diverge.图 4-2 就是目前实验室里的验电器样式.Figure 4 - 2 a present - day laboratory version...
The science of electrostatics lay dormant for about 2,000 years.静电学沉睡了大约2,000年.By combining electrostatics with photoconductivity, Carlson had found the right basic concept.卡尔森把静电学和光电导性结合起来, 得出了正确的基本概念.Electrostatics ref...
She told them that her daughter-in-law was manic-depressive.她告诉他们，她的儿媳是狂躁抑郁症患者。With her were her son and daughter-in-law.和她在一起的是她的儿子和儿媳。The old woman nagged ( at ) her daughter - in - law all day long.那老太婆一天到晚地挑剔 儿媳妇 的不是...