来自刘玉昆的问题
问个英语语法问题In2009,basicandappliedresearchspendingconstituted4.7%and12.6%oftotalR&Dexpenditure,droppingfrom2000levelsof5.2%and17%,respectively.这里的dropping作什么成分啊?
问个英语语法问题
In2009,basicandappliedresearchspendingconstituted4.7%and12.6%oftotalR&Dexpenditure,droppingfrom2000levelsof5.2%and17%,respectively.
这里的dropping作什么成分啊?
