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贺钱学森院士 90华诞作者期页钱学森论地理科学马蔼乃…………………… 11对钱学森沙产业理论的学习和理解 刘 恕…………………………………… 19钱学森创立知识密集型草产业的划 时代贡献李毓堂………………………… 115钱学森———科技界的一面旗帜涂元季……… 2 1
He Qian Xuesen academician 90 birthday author’s page Qian Xuesen On Geographical Science Ma Ai is ........................ 11 on the Qian Xuesen sand industry theory study and understanding Liu Shu .......................................... 19 Qian Xuesen creation epoch-making contribution to knowledge-intensive grass industry Li Yutang .............................. 115 Qian Xuesen --- a flag of science and technology Tu Yuan Ji ......... 2 1