NOTE 10-for some materials, changes may continue after the specimen has been removed from the exposure apparatus.
备注10对于有些材料，样本从曝露设备移开以后会继续变化。
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。
If a range of specimen sizes is needed for materials tests, the fixtures should be carefully scaled to the specimen.
如果材料试验需用一系列的试样尺寸，则夹具就应当仔细地按试样进行标度。
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