Hetuvidya is one of the three original systems of logic in the world.

因明是世界三大逻辑起源之一。

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Firstly, the logic control system is the most basic loop of all elevator systems.

首先，逻辑控制环节是电梯控制的最基本环节。

youdao

Firstly, the logic control system is the most basic loop of all elevator systems.

首先，逻辑控制环节是电梯控制的最基本环节。

youdao