以下那种转接口可直接被CP2220数字放映机识别()
A.VGA转DVI-A
B.HDMI转DVI-D
C.HDMI转DP
D.DVI-D转HDMI
参考答案:B
Mandeep can go to school now. UNICEF has paid for her ______.
A.education
B.vacation
C.competition
D.invention
按照《继电保护和安全自动装置技术规程》的规定,简述近后备保护的定义?