皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
在劳动过程中引起职业紧张的职业因素是
A.
角色特征
B.
工作特征
C.
人际和组织关系
D.
人力资源管理
E.
其他选项都是
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】The is nothing more that an electrical transformer.
A.
ignition plug
B.
ignition coil
C.
ignition switch
D.
distributor
【简答题】A transformer(变压器) is a device based upon this effect which is used to change the voltage(电压) in an ac circuit(交流电路) from one value to another.
【单选题】预期股价上涨而买入股票,结果股价却下跌,又不甘心将股票卖出,被动等待获利时机的出现。这种情况情况称为
A.
短多
B.
斩仓
C.
套牢
D.
踏空
【单选题】Based on the principle of electromagnetic induction, the fundamental method to realize voltage transformation in a transformer is that ( ).
A.
the number of turns of the primary and secondary winding is the same
B.
the number of turns of the primary and secondary winding is different
C.
there is an electrical connection between the primary and secondary winding
D.
the primary and secondary windings are insulated from each other
【单选题】随动系统要求系统的输出信号能跟随:
A.
反馈信号的变化
B.
干扰信号的变化
C.
输入信号的变化
D.
偏差信号的变化
【判断题】套牢是指预期股价上涨而买入股票,结果股价却下跌,又不甘心将股票卖出,被动等待获利时机的出现。
A.
正确
B.
错误
【单选题】A transformer is a device that can converter one ac voltage to another ac voltage through the action of () .
A.
an electric circuit
B.
a magnetic field
C.
an electric field
D.
a coupling circuit
【单选题】随动系统要求系统的输出信号能跟随:
A.
反馈信号的变化
B.
干扰信号的变化
C.
输入信号的变化
D.
模拟信号的变化
【简答题】A 15-kVA 7000/230-V distribution transformer has an impedance referred to the primary of 80 + j300Ω. The components of the excitation branch referred to the primary side are Rc = 350 kΩ and Xm = 70 kΩ...
【单选题】预期股价上涨而买入股票,结果股价却下跌,又不甘心将股票卖出,被动等待获利时机的出现。以上过程在股票交易中属于 ( ) 。
A.
利空
B.
斩仓
C.
多头
D.
套牢
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题