The designation system of metallic materials in AECMA was introduced in this paper. The coding of conditions in metallic materials was also presented. And some examples were shown.

扼要介绍了欧洲（AECMA）规定采用的金属材料牌号九位字母与数字的表示方法，也介绍了金属材料状态的字母代号表示方法，并给出了一些示例。

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Medical teams planned for the births for months, even designating a special "Code 5" designation, handing out pagers to staff and developing a color-coded system to match each baby with his or her needed supplies.

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To ensure the weapon hits the target, the system can be guided by GPS, inertially, or by laser designation.

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If he cooperates, the combatant designation can be revoked and he can always be transferred to the criminal-justice system for prosecution.

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