癌胚抗原正常值

PSA

PSA是传播印刷技术和推动印刷技术标准化的应用程序。应用里有印刷技术讲座,标准化的作业程序,印刷生产管理(print process control)表格及印刷设备的实用参数。内容来自行业的印刷技术专家和资深技术人员,极具实用性。为印刷包装业同仁提供了一个随时、随地、随身,便捷研修体验和开放的信息平...

SLIP Score

Based on experience from a former president of a multi-billion dollar private company, SLIP Score provides the most effective way to measure employee ...