Aim A projective digital lensometer is presented.目的描述一种投影式数字焦度计.Conclusion: The lensometer adjusted by the special lenses group can't check contact lenses.结论: 采用接触镜专用标准透镜组标定的焦度计检测接触镜顶焦度的作法值得商榷....
Restarting the engine, we motored downriver.我们重新启动马达，沿河而下。Sightseers drifted downriver on a raft.观光客们乘着木筏漂向下游.It is fit to plant in Liao middle - downriver plain, the South from Shenyang.适宜沈阳以南辽河 中下游 平原稻区推广种植....