ringing oscillator是什么意思

ringing oscillator是什么意思 trimmed oscillator 外汇当中的KDJ是什么MT4平台上有嘛,是Stochastic Oscillator stochastic oscillator是什么意思 Wein-Bridge Oscillator是什么意思 volume oscillator 中文含义 accelerator oscillator是什么 rigid-plastic oscillator是什么意思 stochastic oscillator 怎么读 crystal oscillator是什么意思 While I was talking with my teacher,I heard the telephone ringing.请问后一句话heard+ringing是过去式加现在进行时吗?这算什么时态? 外汇里面震荡指标 stochastic oscillator是什么 ( )the phone is ringing括号里填什么啊?括号里第一个字母是b the doorbell is ringing ringing in the rain ringing artifacts是什么意思 set alarm clock ringing对了么?如果不对,应该怎么改?我想要表达的意思是“让警钟敲响” We were having supper when the phone rang.We were having supper when the phone ringing.We were having supper when the phone was ringing .哪个句子是对的?