UNITED-STATES LOSING GROUND IN SPACE

被引：0

作者：

AGRES, T

机构：

来源：

RESEARCH & DEVELOPMENT | 1984年 / 26卷 / 02期

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D O I：

暂无

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

引用

页码：53 / 54

页数：2

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