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柯林斯高阶英汉双解学习词典释义
英汉词典释义
英英词典释义
  • Noun
    1. activity involved in maintaining something in good working order;
    "he wrote the manual on car care"
    2. means of maintenance of a family or group
    3. court-ordered support paid by one spouse to another after they are separated
    4. the act of sustaining life by food or providing a means of subsistence;
    "they were in want of sustenance""fishing was their main sustainment"
行业词典
  • 体育: 支持;维持;维修;保管;保养;继续;
    法律: 维修;赡养;抚养;包揽诉讼;
    电子学: 维修;
    电工: 维修;
    航天: 维修;
    航空: 维修;为航空器保持或恢复到能执行所需功能的状态所进行的全部技术措施和管理活动。;
    通信: 维护;为在规定范围内,使参与建立通信连接的任何部件完成建立和保持连接所需的全部操作。如安装调测、编制维护流程、例行维护测量、对故障进行定位并清除故障。;