本文叙述了光栅与微机相结合在线测量线材外径的方法。
This paper relates how to combine grating technology with microcomputer to measure a wire outer diameter on line.
结合在线监测技术的应用实践，较全面地描述大型水电厂在线监测的主要对象、监测项目和具体的实施方案。
The main objects, items and implementation solution of on-line monitoring combined with its practical application for large hydropower station are fully described.
结合在集成本地XML存储数据一节介绍的场景，来看看图4所示的实体关系图，该图描述了一个在线书店的场景。
Based on the scenario introduced in the Integrating local XML store data section, consider the entity relationship diagram shown in Figure 4 that describes an online bookstore scenario.
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