Altocumulus clouds are defined as().
A、A.high clouds
B、B.middle clouds
C、C.low clouds
D、D.vertical development clouds
A、A.high clouds
B、B.middle clouds
C、C.low clouds
D、D.vertical development clouds
A、The persence of cirrus clouds B、The low-hanging stratus clouds C、The altocumulus clouds D、The massive cumulus clouds
A、The persence of cirrus clouds B、The low-hanging stratus clouds C、The altocumulus clouds D、The massive cumulus clouds
A、are sheet or layer clouds B、have undergone great vertical development C、are middle or high altitude clouds D、are rain clouds