Telephony

例句:

• American youths to-day are given, if of a mechanical turn of mind, to amateur telegraphy or telephony, but seldom, if ever, have to make any part of the system constructed. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The engineer in telephony cannot increase his motive power. 佚名. 神奇的知识之书.
• The advance that was brought about by Edison's carbon transmitter will be more apparent if we glance first at the state of the art of telephony prior to his invention. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• So far as the writers can ascertain this is the first example of field telephony. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The ranks are well filled everywhere, and of late years the telegraph as an art or industry has shown relatively slight expansion, owing chiefly to the development of telephony. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• It is believed that wireless telephony will form a most important adjunct and extension to the existing schemes of communication. 佚名. 神奇的知识之书.
• During the year 1915 very notable development in radio-telephony, the transmission of speech without wires, was made. 佚名. 神奇的知识之书.
• Such broad use is made of the telephone service of America that the progress in telephony is an essential factor in all American progress. 佚名. 神奇的知识之书.
• For many reasons wireless telephony can never take the place of wire systems, but it may be expected to supplement them in a useful manner. 佚名. 神奇的知识之书.
• Without these, modern telephony would not and could not exist. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

手打:罗谢尔