Undoubtedly,investments in R and D are made mainly in applied technology and other economics-related fields,and this should constitute 85 per cent of all R and D work. The other 15 per cent should be allotted to research into the basic sciences.是什么意思_Undoubtedly,investments in R and D are made mainly in applied technology and other economics-related fields,and this should constitute 85 per cent of all R and D work. The other 15 per cent should be allotted to research into the basic sciences.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句