八月 6, 1921

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無線電羅盤與導航，炸彈測試與我們的海軍政策及更多

作者：Robert G. Skerrett

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大眾科學 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 大眾科學 Magazine Vol. 125 No. 6 (), p. 89
doi:10.1038/scientificamerican08061921-89
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