The method is provided with a new substitute for . security transmission of the peers ' trust-and-reputation value . ( 3 ) A redundant secure storage policy of the peers ' trust-and-reputation value is put forward .

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So the stand of this paper is to study countermeasures in the age with no oil that is to develop substitute energy especially the solar energy which is the only approach to solve the energy security to the core .

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The development of supplement and substitute energy sources for petroleum has great significance for fulfilling the ever increasing petroleum requirement and assuring national energy security .

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This article is not meant as a substitute for a security analyst or to teach hardcore security skills .

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Using three mechanisms which are substitute mechanism mutuality mechanism and assistance mechanism we have resolved the one point invalidation problem security information distribution not in time heavy loading problem when the security affairs happen etc.

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Land as a factor of production and not a substitute for the rural social security system .

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First of all substitute teachers survive rational substitute teachers to meet the security needs of the survival of the first and second substitute teachers is the result of the actions and choices of cost-effectiveness forecast evaluate and choose after the deduction of the teaching profession .

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There are no things to substitute the basic status of land and land tenure in establishing the system of social security .

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In the past ten years the water mist extinguish system which can substitute the halon agent is being researched by the international security organization .

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Artificial vertebrae is the ideal substitute material for bone trans-plantation for it has good biocompatibility high security high rate of bone graft fusion and firm fixation .

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A Discussion on the Substitute Rate of Social Security System in China

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We show that the HC scheme is not secure against frame attack and public-key substitute attack and give a new efficient scheme which remedies the security flaws of the existing scheme .

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Therefore the capital substitute the labor force the domestic unemployment rate rise the motive of escaping the payment social security strengthens and the phenomena that the difficulties of capturing the social insurance fund appear and be prominent day by day .

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