cháng bō
意思解释:(Long wave)通常指波长在10-1000米(频率在30-300千赫)的无线电波,用于无线电测向,无线电导航。 海洋中延伸很长的翻滚的浪潮。
指从300千赫兹至30千赫兹,波长为1000—10000的无线电波。1931年《海军江南造船所报告书·电机工程处》:“本所承造美国军舰六艘,为装美国最新真空管长、短波无线电机,长波七百五十瓦特,短波一千瓦特。”1948年顾均正《从原子时代到…
Show from 300 kilohertz at present thises to 30 kilohertz, wavelengh is 1000, the radio wave of 10000. 1931 does project of · electric machinery handle transaction of dockyard of naval Changjiang Delta : Stew in shallow water of sex of of ammoniac mother's brother bars regretful of of of Yao of of ⒘ bars Chan of plutonium brandish exhibits Gan of ㄎ of beach of Piao ぁ ⒍ to knock at Chu of to instruct of of sulphur of ㄒ of beach of of stand upright of to instruct of of Tang of glucoside of ㄆ of げ of black waiting till! 948 year Gu Junzheng arrive from atomic age...
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