皮皮学，免费搜题
登录
搜题
【简答题】
按照《光伏发电系统接入配电网技术规定》（GB/T29319-2012）要求，当光伏发电系统公共连接点频率突然升至为50.5Hz时，光伏发电系统（）秒内停止向电网送电。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】All of the following are individual factors that might influence a member of the buying center except :
A.
personality features.
B.
roles and perceived roles.
C.
levels of cognitive involvement.
D.
capital assets a firm has available.
【单选题】已知教师表"学历"字段的值只可能是四项(博士、硕士、本科或其他)之一,为了方便输入数据,设计窗体时,学历对应的控件应该选择______。
A.
标签
B.
文本框
C.
复选框
D.
组合框
【简答题】化学合成药物生产工艺的研究可分为___________和中试放大研究两个先后相互联系的阶段。
【单选题】Roles and perceived roles, motivational levels, and attitudes toward risk are examples of which factor that affect members of business buying centers?
A.
Organizational
B.
Individual
C.
Cultural
D.
Economic
【单选题】In a classic study of sex roles, Schein
A.
evidenced the fact that being a woman and being a manager are contradictory.
B.
found a high correlation between the ways both male and female respondents perceived "females" and "managers."
C.
demonstrated how bias in sex role stereotypes created problems for women moving up through managerial roles.
D.
found no correlation between the ways respondents perceived "males" and "managers."
相关题目：
【单选题】已知教师表"学历"字段的值只可能是四项(博士、硕士、本科或其他)之一,为了方便输入数据,设计窗体时,学历对应的控件应该选择______。
A.
标签
B.
文本框
C.
复选框
D.
组合框