CBQ REVIEW ESSAY: HISTORY OF THE TELEPHONE (PART ONE): Invention, Innovation, and ImpactWhile mandatory defined-contribution pension systems can be designed so that they are neutral or progressive in their effects on income distribution, a number of features they commonly contain are regressive. In...
CBQ REVIEW ESSAY: HISTORY OF THE TELEPHONE (PART ONE): Invention, Innovation, and Impact 来自 dx.doi.org 喜欢 0 阅读量: 48 作者:Sterling,Christopher H.摘要: While mandatory defined-contribution pension systems can be designed so that they are neutral or progressive in their effects on income...
The invention of the telephone wasn't a single Eureka moment, but rather the culmination of works by various inventors -- from Meucci's early sketches and Reis' precursor that transmitted simple tones to Bell's eventual patent. The driving force behind the telephone's development was the desire...
The invention of the telephone in history changed many things. What was one of the major changes? A. More face-to-face conversations. B. Faster transportation. C. Better education. D. Easier communication. 相关知识点: 试题来源: 解析 D。历史上电话的发明改变了很多事情,主要变化之一是更容易的...
The telephone is one of the most important inventions in history. It has greatly changed the way people communicate. The inventor of the telephone is Alexander Graham Bell. Bell was a scientist and inventor who was interested in sound and communication. In 1876, Bell patented his invention, the...
the telephone exchange applies a high voltage pulsating signal, which causes the sound mechanism to ring, beep or otherwise alert the called party. When that user picks up the handset, the switch hook disconnects the bell, connects the voice parts of the telephone, and puts a resistance short...
9.The invention of the telephone is a great achievement(成就)in history. 试题答案 在线课程 分析电话的发明在历史上是一项伟大的成就. 解答答案:achievement 考查首字母填空.根据句意及句子结构,要填入名词,achievement意为"成就",是名词作表语. 点评考查首字母填空.准确地翻译句子、理解句子,然后根据句意及提示...
devices that could transmit sound along electrical cables. Those inventors were Alexander Graham Bell and Elisha Gray. Both devices were registered at the patent office within hours of each other. There followed a bitter legal battle over the invention of the telephone, which Bell subsequently won....
Telephone, an instrument designed for the simultaneous transmission and reception of the human voice. It has become the most widely used telecommunications device in the world, and billions of telephones are in use. This article describes the modern tele
Alexander Graham Bell, best known for his invention of the telephone, revolutionized communication as we know it. His interest in sound technology was deep-rooted and personal, as both his wife and mother were deaf. While there’s some controversy over whether Bell was the true pioneer of the...