八月 6, 1921

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无线电罗盘与导航，炸弹测试与我们的海军政策及更多

作者：Robert G. Skerrett

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大众科学 Magazine Vol 125 Issue 6This article was originally published with the title “The Radio Compass and Navigation, The Bombing Tests and our Naval Policy, and more” in 大众科学 Magazine Vol. 125 No. 6 (), p. 89
doi:10.1038/scientificamerican08061921-89
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