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【多选题】
光学介质折射率的大小与下列哪些因素有关( )。
A.
光的频率
B.
光的波长
C.
介质密度
D.
光的强度
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参考答案:
举一反三
【多选题】International terrorist organizations include the following types________.
A.
ethnic terrorist organizations
B.
religious terrorist organizations
C.
leftist terrorist organizations
D.
rightist terrorist organizations
E.
nation-supported terrorist organizations
【单选题】Which of the following types of organizations need cost accounting?
A.
manufacturing firms and service organizations only
B.
service organizations and nonprofit organizations only
C.
manufacturing firms and nonprofit organizations only
D.
all types of organizations
【单选题】Governments, ________, non-governmental organizations and professional organizations can strengthen partnerships through participation and cooperation in this activity.
A.
private enterprises
B.
governmental enterprises
C.
the whole society
D.
non-professional organizations
【单选题】按照误差的性质不同,测量误差一般可分为
A.
绝对误差、人为误差、仪器误差和引入误差
B.
环境误差、系统误差
C.
标准误差和算术平均误差
D.
随机误差、系统误差、粗大误差
【单选题】全闭环数控系统的检测反馈装置中的检测元件通常安装在()部位。
A.
伺服电动机
B.
丝杠
C.
机床工作台
D.
步进电机
【单选题】全闭环数控系统中位置检测位置在()。
A.
刀具尖端
B.
主轴前端
C.
电机轴端或丝杠轴端
D.
机床工作台的实际运行位置
【单选题】按照误差的性质不同,误差一般可分为( )
A.
绝对误差、人为误差、仪器误差和引入误差
B.
环境误差、系统误差
C.
标准误差和算术平均误差
D.
随机误差、系统误差
【简答题】测量误差根据其性质不同,一般可分为系统误差、()和粗差。
【简答题】In ________cultures, the individual is emotionally dependent on organizations.
【单选题】Transnational organizations are also known as ________.
A.
multidomestic organizations
B.
borderless organizations
C.
polycentric organizations
D.
ethnocentric organizations
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