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1. Reliability of power line communication(PLC) over low-voltage network(LVN) limits badly the application scale of PLC in practice.

分析了电力线通信技术的原理与实现方法,指出了电力线通信技术在农业信息化中的应用前景。

2. The result indicates that the fibers of origin from the DVN and LVN projected directly to the sacral segment,while the fibers of origin from the MVN only projected to the upper lumbar segment.

提示：起源于前庭降核和前庭外侧核的纤维可一直投射到骶髓节段，而起源于前庭内侧核的纤维仅投射到上腰髓节段。