US space science - Earmarks, rising costs threaten NASA missions

被引：1

|

作者：

Lawler, A

机构：

来源：

SCIENCE | 2000年 / 289卷 / 5487期

关键词：

D O I：

10.1126/science.289.5487.2018

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 ;

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页码：2018 / 2018

页数：1

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