A． 提纲： Key world “Risks nuclear power health effects of radiation＂ Subatomic particles velocity of light deep inside the human body biologi
cal cells cancer sex cells genetic diseases 释义： Nuclear power's main risks arise from the radiation impact on health. The radiation contained subatomic particles that run close to the speed of light． They can penetrate the depths of the human body, where they can disrupt biological cells, so as to initiate a cancer．If they attack the sex cells, they can lead to genetic diseases. B． 提纲： Technology education history Primitivemodes of communication 释义： History has indicated that technology affects education deeply. Considering the definition of technology broadly, one may say that prehistoric people used primitive technologies to teach skills to their young.
第二段： Controlling idea: things once learned subconsciously through the casual communications of the extended family must be consciously learned. Controlling idea question: what has changed in the form of Access to information ？ Answers (supporting details or evidence): subconsciously learn change to consciously learn Summary: Floating population need obtain available information that once learned subconsciously through the casual communications of the extended family must be consciously learned. 第四段： Controlling idea: Technology has facilitated the sharing of information and the storage and delivery of information, thus making more information available to more people. Controlling idea question: what has changed of people access to the information with the
development of technologies. Answers(supporting details or evidence): Computer technology Computer technology TelecommunicationSatellite communicationTeleconference Summary: Technology has facilitated the sharing of information and the storage and delivery of information, such as Computer technology, Telecommunications, Satellites, teleconferencing, thus making more information available to more people. 三、专业文献概述 In this paper, a reversible information hiding algorithmfor BTC-compressed images is presented. The reversibilityis achieved by the integration of the differentexpansion and MED techniques. Our technique cansupport a varied number of the secret messages underdifferent embedding parameters. The embedding capacitycan be higher than the existing up-to-date algorithmsunder proper parameter settings.Further, the sizeof the data-embedded compressed code equals theoriginal size. When the transmitted data-embedded compressed code is intercepted by a cybercriminal, hecan decode the compressed code using the traditionalBTC decoding procedure and be under the misapprehensionthat only a common compressed code is beingtransmitted. Experimental results demonstrate that ourtechnique is feasible for BTC-compressed images withreversibility. Further, our algorithm can also resist theRS steganalysis attack. --A reversible steganographic algorithm forBTC-compressed images based on differenceexpansion and
median edge detector
Controlling idea: a reversible information hiding algorithmfor BTC-compressed images is presented. Controlling idea question: What is the advantage of reversible information hiding algorithm？ Answers (supporting details or evidence): 1. support a varied number of the secret messages 2. the size of the data-embedded compressed code 3. resist the RS steganalysis attack Summary: The authorpresenta reversible information hiding algorithm for BTC-compressed images. It can support a varied number of the secret messages under different embedding parameters and resist the RS steganalysis attack.And the size of the data-embedded compressed code equals the original size.
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