秤的计量性能主要包括灵敏性、鉴别力、鉴别力阈、耐久力（）和重复性。
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A customer has purchased three IBM System Storage DS8700 systems and would like to have their administrators trained. Which training alternative provides the necessary training with the least financial impact（）
A. purchase the training CD for the disk subsystem and have the staff do self-paced training
B. have the IBM Service Support Representative perform the training
C. contact IBM Education Services for an onsite training class
D. send one person at a time to an IBM training sessio
企业文化管理制度层包含。（）
A. 组织机构、管理制度
B. 基本管理制度、业务管理制度
C. 规则、办法、细则、要点、电脑作业说明书
D. 管理制度
作用管（）压力空气时，作用阀呈缓解位，机车缓解。
A. 增压
B. 充入
C. 压缩
D. 排出
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