The existence of hard inclusion may cause a great influence to variations of earthquake precursors.

硬包体的存在对地震前兆变化会产生显著影响。

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The results show that the pre-hardened plastic-mould steel belongs to a little low machinability steel because of much hard inclusion existing in microstructure and its high strength and hardness.

结果表明，这类材料属较难加工材料，这主要是由于钢中存在大量硬质点，且材料具有较高强度和硬度所致。

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The amount, size and distribution of non-metallic inclusion in different positions of hard wire steel with different diameters were investigated by optical microanalysis.

采用光学显微分析法在不同直径硬线钢的不同部位，分析了非金属夹杂物的数量、大小和分布特征。

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Oscar Pistorius had to fight hard for inclusion in the Olympics.

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He is working hard to justify the inclusion of those two words in his bio.

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However, as good as 802.11n is, few if any unlicensed wireless technologies are completely immune to interference and range limitations, which is why the inclusion of a hard drive is a great boon for this device class.

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