si-tech bi 商业智能系统
Digital China Si-Tech 神州数码思特奇
SI-TECH Clearing 思特奇费用清算系统
SI-TECH ODCS 思特奇联机数据采集系统
SI-TECH iBOSSs 运营服务支撑系统
SI-TECH Care System 思特奇客户服务中心系统
Beijing SI-TECH Computer System Engineering Ltd. ;
北京思特奇计算机系统工程公司;
Diamond-like carbon DLC thin films were deposited onto si 100 and high speed steel substrates by mid-frequency magnetron sputtering system SP0806AS, Beijing Power tech Co.
采用SP0806AS中频磁控溅射镀膜机,在硅(100)和高速钢基体上,采用双石墨靶在不同功率下沉积了类金刚石薄膜。
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