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Category: 物理類

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单位可以指：
单位 (社会组织)，即工作單位，是計劃經濟時期乃至當代中華人民共和國的一個專有名詞，是對人所工作的組織機構的泛指統稱。
單位房，公寓大廈中的單一的一戶房屋。
單位元，某二元運算的單位元...