Preliminary Environmental Review什么意思

Packet Error Rate分组差错率（包差错率） Preliminary Environmental Review初步环境审查 Protein Efficiency Ratio蛋白质效率比 Provider Edge Router边缘路由器 Program for Ecosystem Research对生态系统的研究项目 Perseids英仙座流星雨 Peru秘鲁 Parity Error Repoting奇偶错报告 proess engineering report工艺卡 Performance Event Report演出活动的报告 Product Evaluation and Recommendation产品评价和建议 Public Expenditure Review (World Bank)公共支出的评论(世界银行) Parts Evaluation Report部分评估报告 Package-Enabled ReengineeringPackage-Enabled再造 Peru (ISO Country code)秘鲁(ISO国家代码)