The main steps of specimen preparation and the imaging conditions of beam tilt method were given.

着重叙述和讨论了样品制备的主要环节和倾斜照明法的成象条件。

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Conventional methods for the elemental analysis of materials often require a contact to the specimen and a time-consuming mechanical sample preparation.

材料中元素的传统分析方法需要接触样品，并通常需要耗时的样品机械制备步骤。

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A brief introduction to the preparation of metallographic specimen of NdFeB ingot or strip casting are given in this article.

文章介绍了钕铁硼铸块或速凝薄带的金相样品的制备方法。

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