per

PER Preliminary Environmental Review 初步环境审查

PER Packet Error Rate 分组差错率（包差错率）

PER Protein Efficiency Ratio 蛋白质效率比

PER Provider Edge Router 边缘路由器

PER Program for Ecosystem Research 对生态系统的研究项目

PER Perseids 英仙座流星雨

PER Peru 秘鲁

PER Parity Error Repoting 奇偶错报告

PER proess engineering report 工艺卡

per ann. per annum 每年

PER Performance Event Report 演出活动的报告

PER Product Evaluation and Recommendation 产品评价和建议

PER Public Expenditure Review (World Bank) 公共支出的评论(世界银行)

PER Parts Evaluation Report 部分评估报告

PER Package-Enabled Reengineering Package-Enabled再造

PER Peru (ISO Country code) 秘鲁(ISO国家代码)

PER Probable Error in Range 在可能的错误

PER Product Enhancement Request 产品的要求

PER Preliminary Engineering Release 初级工程释放

PER Professional and Executive Recruitment 专业人士和管理人员招聘