What can cause changes in sample appearance and what operational steps should the operator take to correct the problem?

何种原因会导致样品性状改变?操作者应采取何种操作步骤来纠正问题?。

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The worn sample appearance was studied was observed by SEM, and the influence factors and wear mechanism were analyzed after experimentations.

并利用扫描电镜观察磨损后试样的形貌，分析该材料磨损过程中的影响因素及磨损机制。

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If you install the V6.1.2 Clips and Tacks sample, you can use the sample custom theme to change the appearance of the sample application.

如果您安装了V6.1.2 Clips and Tacks示例，则可以使用示例自定义主题来更改示例应用程序的外观。

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Judges then give each sample a rating based on appearance, odour, flavour, mouthfeel and aftertaste, similar to the elements involved in wine tasting.

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