单相变压器的变压比为k,若一次绕组接入直流电压U1,则二次绕组电压为
absorbrestartingtrashresourcestrapped1) A lot of small problems can be solved by ___________ your computer.2) There is ___________ everywhere on the ground, and the whole place smells terrible.3) Plants ___________ carbon dioxide from the air.4) There’s no way out! We’re ___________ in this wood!5) The area is rich in such ___________ as mineral water hot springs.
巧影中能够导入的素材可以是( )。
A. 视频文件
B. 音频文件
C. 图像文件
D. 以上泰材均可以
下面( )选项不包括在巧影的音频效果中?
A. 单声道
B. 环绕声
C. 立体声
D. 5.1声道