{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Ultra-wideband wireless communication channel model under the special environment of the mine(Chinese Edition)","author_name":"WANG YAN FEN","thumbnail_url":"https://www.ebooknetworking.net/books/756/461/big7564613548.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-7564613548.html\">Ultra-wideband wireless communication channel model under the special environment of the mine(Chinese Edition)</a>","width":400,"height":300}