Being installed make the product dimidiation, then make it coalition used bolt. The middle hole is used for busbar going through.

安装时可将互感器分为两半，中间窗孔供一次母线穿过，然后用螺栓拧紧。

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For non-0/1 data block it used dimidiation technique, and for 0/1 data block it used some mark-bits to represent the times of partitioning.

首先将整个测试集划分成若干定长块，对非全0/1块，使用折半的方法划分；对全0/1块，使用标记位来表示划分的次数。

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