wireless telegraphy

常見例句

A message transmitted by wireless telegraphy.
電報信息（通常使用莫爾斯電碼）。
He experimented for years in his own laboratory, and while he was still a young man, he invented wireless telegraphy.
他在他自己的實驗室里成年累月的作實驗，之后，當(dāng)他還是個年輕人的時候，他發(fā)明了無線電報。
Voice radio, as opposed to wireless telegraphy, was first successfully tried in 1906, but the first broadcasting stations were opened in 1920, after the war.
與無線電報相對的無線電廣播在一九○六年就成功地進(jìn)行了最初的試驗，但第一批廣播電臺是在戰(zhàn)后的一九二○年開辦的。