Socket clevies is forgeable iron , hot galvanizing . spring catch bronze or stainless steel 碗头挂板为可锻铸铁件,热镀锌。弹簧销为青铜件或不锈钢件。
2.
Implants for surgery . metallic materials . forgeable and cold - formed cobalt - chromium - nickel - molybdenum - iron alloy 外科植入物.金属材料.可锻和冷成型钴-铬-镍-钼-铁合金
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Implants for surgery - metallic materials - part 7 : forgeable and cold - formed cobalt - chromium - nickel - molybdenum - iron alloy iso 5832 - 7 : 1994 外科植入物.金属材料.第7部分:可锻和冷加工的钴铬镍
4.
The traditional means , such as key , password , cryptogram , id card and even ic card , have fallen behind the needs of economic activity and social security . this is because that they would be forgeable , falsifiable , stolen or decodable 传统的个人身份鉴别手段如钥匙、口令、密码、身份证件,甚至ic卡等识别方式,由于它们具有可假冒、可伪造、可盗用、可破译的弱点,已不能完全满足现代社会经济活动和社会安全防范的需要。
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This new scheme not only solves the problem that qcx scheme has not the property of strong identifiablity through introducing the set asi in the threshold prcxy signature but also overcomes the security leaks such as collusion attack , the original forgeable attack in the congener schemes 该方案通过在门限代理签名中引入实际参与签名的t个代理签名人的身份标志集合,解决了原有方案中门限代理签名方案中不具备强可识别性的问题;并利用双线性对的优点,克服了同类方案中存在的不能抵抗联合攻击和原始签名人伪造攻击等安全漏洞。