Plastics. Styrene acrylonitrile moulding and extrusion materials. Part 1: designation system and basis for specifications.

塑料止品。苯乙烯丙烯腈模制和挤制材料。第1部分：规范用标识系统和基础。

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English Name:Aluminium and aluminium alloys - Designation of alloyed aluminium ingots for remelting, master alloys and castings - Part 2: Chemical symbol based designation system;

简体中文标题：铝和铝合金。重熔、母合金和铸件用合金铝锭的标识。第2部分：基于标识系统的化学符号；

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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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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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