Precise Orbit Determination什么意思

Proof Of Delivery交付凭证 Pay On Demand在需求 Project Overview Document项目概述的文件 Print On Demand按需印刷 Point of Difference与众不同的 Proof of Development证据的发展 Ping of Death (type of hacking/network attack)平的死亡(型黑客/网络攻击) Port of Discharge (shipping)卸货港(船舶) Plain Old Data (programming, especially C++)老式朴素数据(规划,特别是c++) Per Our Discussion我们的讨论 Point of Distribution点分布 Payable on Death应付死亡 Prince Of Darknessn. 撒旦, 魔鬼 Protective Oceanic Device保护海洋的装置 Point of Departure出发地点