This paper compares and analyses various types of main fault location algorithms and puts forward a new fault location algorithm for double transmission lines on a same tower.
比较分析了各种主要的测距算法，并在此基础上提出了一种同杆并架双回线的故障测距新算法。
Retinas use two main types of light-sensitive cells to allow animals to see: Rod cells help measure brightness, while various types of cone cells help distinguish colors.
动物主要借助网膜中的两类光感细胞获得视觉：视杆细胞帮助感知亮度，而种类众多的视锥细胞则帮助辨别颜色。
Main products are various types of high-grade in the women's fashion.
主要产品有各种不同类型的中高档女式时装。
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