测量工具系列，如：卡尺、千分尺、比较仪、测高仪、块规等。

Measuring tools e. g. calipers , micrometres, comparison scales, height measuring instrument, Gauge blocks, and etc.

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描述和评价测量方法，例如：属性筛选法、块规法、测径器、千分尺、光学比较仪、抗张强度、滴定等。

Describe and review measurement methods such as attribute screens, gauge blocks, calipers, micrometers, optical comparators, tensile strength, titration, etc.

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