“heavy antiaircraft artillery”的概念、定义、翻译、参考文献-科学参考

单词	heavy antiaircraft artillery
释义	heavy antiaircraft artillery [`hev·ē ´an·tē`er´kraft är`til·ǝ·rē] ^ORDNANCE Conventional antiaircraft artillery pieces larger than 90-millimeter, the weight of which in a trailed mount is greater than 40,000 pounds (18,000 kilograms).
随便看	boundary-layer control boundary-layer flow boundary-layer photocell boundary-layer separation boundary-layer theory boundary line boundary lubrication boundary map boundary marker boundary monument boundary pillar boundary point boundary survey boundary value component boundary value problem boundary wave boundary wavelength bound barrel bound charge bounded difference bounded function bounded growth bounded linear transformation bounded product bounded sequence

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