Residents of the Western U.S. state of Arizona reacted Thursday to a federal judge's ruling that blocked key parts of a controversial state immigration law.
The louvers may be adjusted so that they reject summer radiation, admit overcast sky luminance or act as light shelves, depending on the nature of day and the requirements of each storey.
Nowadays, the computer networks, based on information technology, have swept across the whole world and exerted profound influence on people's work, learning and communication etc.
What begins like a narrow mountain stream gradually opens up into a wide seagoing estuary, criss-crossed by multiple tributaries, and then bursts into an out-of-control, surging flood tide.