Deep scratches cannot be filled in and in some cases cannot be removed.

深度的划痕是无法弥补的,并且在很多情况下是不能去除的.

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Developing state, market and application of catalysts contained Mo in and in other countries were recounted.

全面系统阐述国内外主要类型(按化学属性划分)含钼催化剂的发展现状 、 市场与应用情况.

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The instrument has a precision of about 0.01 in Ψ and in Δ.

仪器的Ψ和Δ的精确度为0.01.

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