根据国内垫片标准规定的泄漏率指标和美国PVRC对连接系统划分的紧密度等级，尝试定义了法兰连接系统的安全性等级。
An attempt was made to define the safety grade of flanged connections according to target leakage rates described in domestic gasket standards and tightness rates of joints stated in PVRC of ASME.
合理确定铁路等级、速度目标值等核心指标，完善安全标准，更加注重新技术、新装备开发应用的安全性和可靠性。
Feasibly grading the railway, target speed and other core indicators, improve safety standards, pay more attention to the safety and the reliability of new technology, new equipment and applications.
本文对如何制定好密码模块安全性要求标准从必须遵循的原则、内容、安全性等级划分、标准的开发方法等方面进行了研究。
This paper researches into how to establish the standard of security requirements for cryptographic modules from principle, content, security level, development methods, and so on.
介绍了EPON与GPON两种技术。并从标准成熟度、支持速率等级和业务能力、传输效率、安全性和可扩展性等几个方面对EPON与GPON进行了比较。
The article introduces EPON and GPON and compares these two technologies in terms of maturity, speed, service capacity, transmission efficiency and scalability.
介绍了EPON与GPON两种技术。并从标准成熟度、支持速率等级和业务能力、传输效率、安全性和可扩展性等几个方面对EPON与GPON进行了比较。
The article introduces EPON and GPON and compares these two technologies in terms of maturity, speed, service capacity, transmission efficiency and scalability.
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