把在临界温度下,气体转变成液体时所需的最小压力称为临界压力。()
参考答案:对
He had his camera ready ________ he saw something that would make a good picture.
A.even if
B.soon after
C.in case
D.so that
将软盘或存储卡上的内容复制到电脑中,称为()
A.拷贝
B.写盘
C.读盘
D.输出