专业英语演讲

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Biblioteka Baidu
The first major model for communication was introduced by Shannon and Warren Weaver for Bell Laboratories in 1949. The original model was designed to mirror the functioning of radio and telephone technologies.
By and large, Communication is a purposeful activity of exchanging information and meaning across space and time using various technical or natural means, whichever is available or preferred.
Modern society has entered the information age, the computer has been widely used in various industries and fields, with the development of society, people's living standards continue to improve, people in the family computer penetration rate is also more and more high. The computer in addition to simplify the complicated calculation and operation process, is an important means of communication, the remote network communication technology to people's lives has brought great convenience
The Convention on the Rights of Persons with Disabilities also defines the communication to include the display of text, Braille, tactile communication, large print, accessible multimedia, as well as written and plain language, human-reader, augmentative and alternative modes, means and formats of communication, including accessible information and communication technology.Feedback is a critical component of effective communication.
Communication requires a sender, a message, a medium and a recipient, although the receiver does not have to be present or aware of the sender's intent to communicate at the time of communication; thus communication can occur across vast distances in time and space. Communication requires that the communicating parties share an area of communicative commonality. The communication process is complete once the receiver understands the sender's message.
Discursive communication three primary steps: Thought: First, information exists in the mind of the sender. This can be a concept, idea, information, or feeling. Encoding: Next, a message is sent to a receiver in words or other symbols. Decoding: Finally, the receiver translates the words or symbols into a concept or information that a person can understand.
Their initial model consisted of three primary parts: sender, channel, and receiver. The sender was the part of a telephone a person spoke into, the channel was the telephone itself, and the receiver was the part of the phone where one could hear the other person. Shannon and Weaver also recognized that often there is static that interferes with one listening to a telephone conversation, which they deemed noise.
There are a range of verbal and non-verbal forms of communication. These include body language, eye contact, sign language, haptic communication, and chronemics. Other examples are media content such as pictures, graphics, sound, and writing.
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