英语长句分析
问题描述：
英语长句分析
Official recognition that foreign technology could play a major role in modernising the Chinese economy had caused imports to rise by more than 50 per cent in 1978 placing undue strain on the national economy.该句中 placing undue strain on the national economy 是什么成分?这个句子本身有没什么问题?本人菜鸟
placing undue strain on the national economy 是什么成分？为什么用现在分词？
答
句意：中国官方（曾经）认为：国外技术对中国经济的现代化起着主要的作用.这种观点导致1978年进口增长率超过了50%.这对中国经济带来了过大的压力.主语：Official recognition that foreign technology could play a ...