打麻将是一门技术，从理论高度讲，包括运筹学，逻辑学，概率论，组合排列学等，还包括厚黑学等人文科学。
Playing mahjong is a technology, from theoretical height, including operational research, logic, probability theory, arrangement study, etc., also including larded humanities.
其中QBTL设计成可单独作为四值“阀”门使用，用于构成其他四值组合逻辑。
QBTL is designed specially for use as a four-valued threshold gate with which varied four-valued composite logic circuits can be formed.
其中QBTL设计成可单独作为四值“阀”门使用，用于构成其他四值组合逻辑。
QBTL is designed specially for use as a four-valued threshold gate with which varied four-valued composite logic circuits can be formed.
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