我是一九三一年上半年在上海党中央特科无线电训练班认识蔡威同志的。这个训练班的学员是分散住的,蔡威同志跟杨兰时同志住在一起。训练班里大家都在学无线电报务工作,我比他们学得早一点,所以组织上就叫我去教他们。所谓的教,就是我按无线电报务机的键,打出字码信号,让他们听 I met Comrade Cai Wei in the first half of 1931 at the Shanghai Telecommunication Training Class of the Central Party Committee. The trainees in this training course were scattered. Comrade Cai Wei lived together with Comrade Yang Lan. Everyone in the training class was studying wireless telegraphic duties. I learned a little earlier than they did, so I was told to teach them on the organization. The so-called teaching, that is, I press the radio button machine key, hit the word signal, let them listen