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- He was at one time so devoted to piano playing. 他曾经那么沉迷于弹钢琴。
- It's better not to attempt too much at one time. 最好不要企图同时干过多的工作。
- At one time they met frequently. 一度他们经常见面。
- My younger sister was at one time a boarder. 有段时间我妹妹是寄宿生。
- He can drink two bottles of wine at one time. 他一次能喝两瓶酒。
- At one time I used to go skiing every winter. 我有一度每到冬季就去滑雪。
- The two continents were connected by a land mass at one time. 这两个大陆曾经由一大片陆地连接着。
- A part of a meal served as a unit at one time. 一道菜同时作为一个单元一餐中的一部分
- The blind proxy signature scheme proposed in ref. [1] is insecure. 摘要证明了文献[1]提出的盲代理签名方案是不安全的。
- Proxy signer privacy protection is one of the important researches for the strong proxy signature. 摘要 代理签名人身份保密是强代理签名的一个重要研究方向。
- A batch of mail dispatched at one time by a sender. 由邮递员同时分送的一批邮件
- My brain can't hold so much information at one time. 我脑子一下子记不住这麽多信息。
- In the scheme, original signer can limit the number of proxy signature and recall the right of proxy signature as the valid time past. 原始签名者在代理签名有效期内,能限制代理签名者的代理签名次数,当代理签名有效期过后,能收回代理签名权。
- One can forge an effective proxy signature that will be accepted by the signature verifier and that will not identify the true signer to management. 该攻击能够伪造出有效的代理签名，使签名验证人可以接受该代理签名，但管理中心并不能通过此签名来辨认出代理签名人的身份。
- At one time, she is fine, but at another, she is abnormal. 有时候，她表现得很好，有时候又失常。
- Because PKG can compute the private key of any user in system, it can forge a blind signature or a proxy signature of any one. 因为PKG可以计算系统内任何用户的私钥，当然可以伪造任何用户的盲签名和代理签名。
- A threshold proxy signature scheme was presented with bilinear pairings. 摘要给出一种基于配对双线性映射的门限代理签名方案。
- The census is taken one time every four years in our country. 我国每四年一次人口普查。
- In this paper we propose a new proxy signature scheme from bilinear pairing. 摘要利用椭圈曲线上的双线性映射设计了一种新的代理签名体制。
- It mainly consists of two parts: proxy signature and proxy cryptosystem. 代理密码学主要包括代理签名和代理密码系统两个部分。
