While precise comparisons are technically problematical, there is little doubt about China's rapid advancement into the group of leading R&D nations.
如果说精确的比较在技术上是有
题的，那毫无疑，
真在快速进步称为主要的科研家。
题的,有疑的
词
词题的;
守的;While precise comparisons are technically problematical, there is little doubt about China's rapid advancement into the group of leading R&D nations.
如果说精确的比较在技术上是有题的，那毫无疑，真在快速进步称为主要的科研家。
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