This activity had a proper program design, detailed rules, clear division of different jobs, and material preparation, so the activity was a big success.

此次活动方案设计得当，规则制定详细，人员分工明确，材料准备充分，所以活动十分成功。

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Mechanochemistry is a subject of study on the conversion between mechanical and chemical energy, and this effect is widely used in the unequilibrium course of material preparation.

机械力化学是研究机械能和化学能之间的相互转化的一门学科，机械力化学效应被大量运用于材料制备中的非平衡过程。

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Thanks to technical efforts, surface cracking of the round bloom is eliminated, which provides a good basis for producing quality seamless steel tubes in terms of material preparation.

通过技术攻关，解决了圆管坯的表面裂纹问题，为生产高质量的无缝钢管提供了优质的原料。

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The software, which automates collection and preparation of electronic filing of regulatory material, is useful to IBM as a way of selling analytics software, a huge and growing business for IBM.

FORBES: IBM: Buying Trust

He said that 300 tonnes of hardcore material were being laid on major in-routes and car parks in preparation for Sunday.

BBC: F1 pledge to beat weather