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【多选题】
下列数列属于( )。 生产计划完成程度分组(%) 80-90 90-100 100-110 合计 企业数 15 30 5 50A.
品质分配数列
B.
变量分配数列
C.
组距式变量分配数列
D.
等距变量分配数列
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【简答题】Corrugated board is mainly made in one of four flute sizes, designated A, B, c and E. There are, however, other flute sizes available in the market which adapt the material to numerous usages.
【单选题】Im sorry to keep you______for a long time.
A.
to wait
B.
waiting
C.
waited
D.
to waiting
【单选题】长枕埋入式无砟轨道道床板混凝土灌筑振捣密实后,道床板表面排水坡设置为
A.
自板面两侧向中心有2%人字横向排水坡
B.
自板面中心向两侧有2%人字横向排水坡
C.
沿着线路里程增大方向设2%纵向排水坡
D.
沿着线路里程减少方向设2%纵向排水坡
【单选题】362GXGZ．事故发生后，国务院铁路主管部门、铁路管理机构、事故发生地（..）以上地方人民政府或铁路运输企业应当根据事故等级启动相应的应急预案；必要时，成立现场应急救援机构。
A.
（A）市级
B.
（B）县级
C.
（C）乡级
D.
（D）省级
【简答题】Corrugated board is produced by guiding a paper web,the corrugating medium or fluting, through a silt between twocorrugated rolls andpressing it into a waveform through aconbination of pressure and he...
【简答题】某进口商给出口商来电,对包装物做了如下规定,请翻译。 As for the carton, thereinafter is our requirement: Must be 7-layer corrugated board export carton. It has corrugated boards inside top and bottom of cartons for protection ...
【简答题】A:Sorry to keep you waiting.
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