3.1 失效分析的常用方法 失效分析常用方法有很多，大致分为硬方法（Hard Method）和软方法（Soft Method）两种。 硬方法主要包括使用光电显微镜等硬件设备来检查和确定失效原因，从而改进工艺过程。
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他死记硬背的学习方法使他在工作中不能灵活处理问题。
His poor method of learning by rote made him unable to deal with the problems in his work flexibly.
使软木更硬更耐用是利于环保的解决方法之一，一家名为科博尼的挪威公司已经在这方面取得成功。
One way out of this problem would be an environmentally friendly way of making softwood harder and more durable-something that a Norwegian company called Kebony has now achieved.
当然，死记硬背或许是学习历史学科最有效的学习方法。
Of course, cramming is probably the single most popular study technique in history.
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