1·多年来，公司已经设计并安装了转速极快的回转式设备，而且设备运转公差降低至0.0005英寸甚至更低。
Over the years they have designed and built turning equipment that is extremely fast, and consistently holds close tolerances down to. 0005 of an inch or less.
2·结果表明：牙周炎患者牙组织中的肥大细胞比正常者明显增多（P
The results showed that the number of MCs in the periodontitis patients was apparently higher than that in normal humans (P<0. 0005), which was closely related to the gravity-grade of periodontitis.