The base structure of a dimension is the hierarchy.
维度的基本结构就是层次结构。
The large dimension, power system's structure and special working status will cause inter-area oscillations.
现代电力系统规模大，电网结构和特殊运行状况会导致系统内存在区域间振荡现象。
It's structure is jaws mode with the property of little dimension, low-weight.
该电机为爪极式结构，体积小、重量轻。
It's structure is jaws mode with the property of little dimension, low-weight.
该电机为爪极式结构，体积小、重量轻。
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