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Term 1: Term 2:

(subclass LowPressureWeatherSystem WeatherSystem) Weather.kif 540-540 低压天气系统 是 天气系统 的 subclass
(subclass CyclonicStorm LowPressureWeatherSystem) Weather.kif 551-551 气旋风暴 是 低压天气系统 的 subclass


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