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【多选题】
影响采用开环伺服系统的数控机床定位精度的主要因素是
A.
插补误差
B.
传动链的误差
C.
检测元件的检测精度
D.
机床热变形
E.
电机的性能
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参考答案:
举一反三
【单选题】以下关于药品生产企业关键人员说法错误的是( )
A.
企业中关键人员应为全职人员
B.
企业中关键人员至少包括企业负责人、质量管理负责人、生产管理负责人和质量受权人
C.
质量管理负责人和质量受权人可以兼任
D.
质量管理负责人和生产管理负责人可以互相兼任
【简答题】Given Australia’s size and the fact that early settlements were far apart, Australian society is remarkably homogeneous (同种的). Its citizens are fundamentally prosperous(繁荣的) and the way of life in the...
【简答题】Given Australia’s size and the fact that early settlements were far apart, Australian society is remarkably homogeneous (同种的). Its citizens are fundamentally prosperous and the way of life in the majo...
【单选题】以下程序的运行结果为( )。Option Base 1Private Sub command1_click() Dim a(10), p(3) As Integer k = 5 For i = 1 To 10 a(i) = i Next i For i = 1 To 3 p(i) = a(i * i) Next i For i = 1 To 3 k = k + p(i) * 2 Next ...
A.
33
B.
28
C.
35
D.
37
【简答题】人口统计学的研究方法主要包括()和()。
【单选题】以下程序的运行结果为( )。 Option Base 1 Private Sub command1_click() Dim a(10), p(3) As Integer k = 5 For i = 1 To 10 a(i) = i Next i For i = 1 To 3 p(i) = a(i * i) Next i For i = 1 To 3 k = k + p(i) * 2 Ne...
A.
33
B.
35
C.
3
D.
10
【简答题】某城市引水工程,输水管道为长980m、DN3500mm钢管,采用顶管法施工;工作井尺寸8m×20m,挖深15m,围护结构为800mm钻孔灌注桩,设四道支撑。 工作井挖土前,经检测发现三根钻孔灌注桩桩身强度偏低,造成围护结构达不到设计要求。 调查结果表明混凝土的粗、细骨料合格。 顶管施工前,项目部把原施工组织设计确定的顶管分节长度由6.6m改为8.8m,仍采用原龙门吊下管方案,并准备在现场予以...
【简答题】Tony Burke, Australia’s environment minister, says he won’t decide until next year whether the koala should be protected as an enered species. He was expected to make his decision by the end of Oc...
【单选题】以下程序的运行结果为( )。 Option Base 1 Private Sub command1_click() Dim a(10), p(3) As Integer k = 5 For i = 1 To 10 a(i) = i Next i For i = 1 To 3 p(i) = a(i * i) Next i For i = 1 To 3 k = k + p(i) * 2 Next...
A.
33
B.
35
C.
37
D.
28
【单选题】__from Adelaide to Darwin and you’ll observe some of Australia’s most beautiful landscapes.
A.
Traveling
B.
To travel
C.
Traveled
D.
Travel
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