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信息的存贮过程主要有五个步骤,请选择正确的排序方式。()①借助分类表和主题词表进行标引。②对被标引的信息款目,按照一定的排检方法进行有序地排列,使之成为检索系统。③人工或借助一些智能工具如爬虫根据需要有目的地收集所需的信息资源。④对收集的信息资源进行分析,确定相应的内容主题。⑤著录信息的内容特征和外部特征
关于“本年利润”账户的正确描述是()
在货币供应量与经济变量相关度的前提下,尽可能采用变动幅度小的调整。或虽扩大货币供应量的范围,但监测的重点维持原来货币与经济相关度的范围。以上体现了中国货币供应量统计原则中的()。
简述碘量法测定铜的原理,加入过量KI的作用。为什么在临近终点还需加入KSCN?
彩色推理测验CPS适用于5岁以下的儿童和智力落后者。
使用万能电器试验台检测点火线圈时,当“PEI”指示灯不亮时,则表明()。
环境因子受到损害或破坏后,其替代或恢复是可能的,但相当困难,并需比较长的时间,则该环境影响的程度等级属于( )。
一个车站有两个车场由一个信号楼控制时,要设计,场间联系电路。
雄激素治疗再障的机制是()
发现重伤钢轨应立即通知线路车间及(),采取措施及时处理。
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