“optical landing system”的概念、定义、翻译、参考文献-科学参考

单词	optical landing system
释义	optical landing system [`äp·tǝ·kǝl `land·iŋ ´sis·tǝm] ^NAVIGATION A shipboard gyro-stabilized device or a short-based device which indicates to the pilot his displacement from a preselected glide path.
随便看	excursion excursion steamer executable module executable program executable statement execute execute statement execution control program execution cycle execution error detection execution time executive communications executive control language executive ego function executive file-control system executive guard mode executive instruction executive logging executive routine executive schedule maintenance executive supervisor executive system concurrency executive system control executive system utilities exendospermous

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