AIM To correlate the length of the telomere tomicrosatellite instability(MSI)and loss of heterozygosity(LOH)of APC,MCC and DCC genes in gastric carcinomas.METH
介绍在快速原型制造(RanidPrototypeManufacturing,RPM)领域中采用小功率CO2激光器完成分层实体制造(SlicingSolidManufact-uring,SSM)的工艺,着重论述SSM技术中光路系统的设计,M-220试验机制造原型的精度分析与控制。
This article introduces the process