扼要地阐述了法语中表示原因的多种方法、特征和途径，并列举典型例句以解析不同的原因表示法对句子产生的不同影响。

Makes a concise account of the methods, characters and ways to express reasons in French, and a number of typical examples are given to explain the different effects they make.

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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。

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.

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