Since the appearance of certificate-based public key systems, much attention has been paid to identity-based public key cryptosystems to decrease the cost of certificates management.
为了减少证书管理的开销,基于身份的公钥密码体制在基于证书的公钥密码体制诞生后出现,并且越来越受到关注。
Special attention should be given to the decrease of the additive variance of yield trait, and this will most possibly make genetic background narrow.
值得注意的是,产量性状的加性方差有降低的趋势,遗传基础可能变窄。
Due to the severe decrease of the steel properties, the oxidation of steel is always paid attention to.
钢铁材料的氧化烧损严重影响着材料的应用,一直是人们关注的对象。
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