PG：性能等级
“Performance Grade”（性能等级）通常缩写为PG。这一简写形式在书写和使用中更为便捷，尤其在机构管理、军事技术等专业领域被广泛采用，用于快速指代设备、系统或材料的性能分级标准。
Performance Grade的英文发音
例句
- An overview of European industrial category of engine oil and the latest issue-ACEA 2004 is given, including the background of ACEA 2004 development and the performance requirement and application scope based on each performance grade.
- 概述欧洲发动机油规范并详细介绍了其最新标准ACEA2004，包括ACEA2004的发展背景及该标准中涉及的发动机油性能级别具体要求与应用范围。
- Based on the comparison of three methods for performance grade ( PG ) of asphalt binder, it is considered that PG can be selected by the LTPP formula.
- 在比较PG等级三种算法的基础上，推荐使用长期路用性能计划（LTPP）的计算公式进行结合料的PG等级确定。
- Traditional routing techniques are designed with implicit assumption of a comparatively stable network topology, and their performance grade in mobile environment is bad.
- 传统路由技术一般针对拓扑较为固定的网络，很难在移动自组网环境下取得较好的性能，因而研究新的路由技术成为一个重要问题。
- The effect mechanism of separating performance and grade efficiencies of the dust concentration at the inlet of a cyclone separator was discussed.
- 探讨了旋风分离器入口含尘浓度对其分离性能及粒级效率的影响机理。
- More specifically, grade M 1 and M 2 have better comprehensive performance and grade M 4 has the minimum notch impact strength.
- 其中，M1和M2具有较好的综合性能，M4的Izod缺口冲击强度最小。
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