air navigation
The ancient Egyptian year of 365 days and six hours.
Misspelling of cryptorchidism.
To apply a splatterdash coat. / To affix splatterdashes to. / To splash violently; to splatter with water and/or mud.
the science and technology of determining the position of an aircraft with respect to the surface of the earth and accurately maintaining a desired course
過去10年間で、航空機の位置を地表に対して特定し、所望のコースを正確に維持するための科学技術の進歩が飛行の安全性を大幅に向上させました。
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