1. In 2009, basic and applied research spending constituted 4.7% and 12.6% of total R&D expenditure, dropping from 2000 levels of 5.2% and 17%, respectivel
Para 1, 两句话:第一句:This is a _____chart, which demonstrates the number of_____ from ____ to ____. 如果两个图,则:There are two charts below. The _____ chart describes th
Para 1, 两句话:第一句:This is a _____chart, which demonstrates the number of_____ from ____ to ____. 如果两个图,则:There are two charts below. The _____ chart describes th