This paper analyses the rule of variations measuring impedance of distance relay when phase to phase fault occurs between two lines on double circuit line on the same pole (DLSP).

从理论上分析了同杆并架双回线跨线不接地故障时距离继电器测量阻抗的变化规律。

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The intersection visibility rule of a line and general plane was concluded and a new judge method on intersection visibility of two general place planes was also put forward in this paper.

同时，阐述两平面相交交线的空间位置情况，从而得出两平面相交可见性判断的新方法。

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Whenever you want to change anything written on the DEATH NOTE within 6 minutes and 40 seconds after you wrote, you must first rule out the characters you want to erase with two straight line.

写好名字、死亡时间和死亡状态后，在那6分40以内可以随意更改。当然，必须是在其死亡之前。要在那6分40秒以内更改死亡时间或状态的话，首先在想改动的地方划两条横线。

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