Description and assessment of ocean waves can provide information vital for the design and operation of marine structures such as ships, offshore oil...

First, the "Statistical Yearbook -2010 Linfen, " a collection of city and urban counties, departments, and since the founding year of 2009,...

First, the "Statistical Yearbook -2011 Linfen, " a collection of city and urban counties, departments, and since the founding year of 2010,...