neutral zone
中立區,中立地帶
neutral zone
中性區; 無控制作用的參數範圍( 自動控制系統中的 )
Tran·si·tion zone. Biogeography The zone lying between the Boreal and Sonoran zones of North America. It includes an eastern or humid subdivision and a western arid one of corresponding temperature comprising the northern Great Plains and the lower slopes of the mountains of the western United States and Mexico. Called also Neutral zone.
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