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Plant Signals 植物的语言 Can plants smell and taste in the same way that animals do? Can they talk to each other and to insects? Learn how scientists hope to unravel some of the mysteries of plant senses -- on today's Earth and Sky. JB: This is Eart
(科普英语)Earth and Sky
Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor
电信英语
D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in
电信英语
By Jessica Berman Washington 28 May 2008 Monkeys have successfully operated robotic arms to feed themselves with human-like precision, activating a mechanical device with signals from their brain. Researchers say the technique could eventually be use
VOA标准英语2008年（五月）
Brain-Computer Interfaces Could Mean More Freedom for the Disabled This is the VOA Special English Technology Report. Since the nineteen seventies, scientists have been searching for ways to link the brain with computers. Brain-computer interface, or
2011年VOA慢速英语(四)月
By Kent Klein Washington 30 March 2008 The head of the US Central Intelligence Agency says al-Qaida has established a safe haven in the tribal areas near the border between Pakistan and Afghanistan, and that it presents a clear and present danger to
VOA标准英语2008年（三月）