It is a key factor of choosing master material for cold rolled ribbed bars which affect the final product properties. The technology development of wire rod for cold rolled ribbed bars is introduced.

冷轧带肋钢筋母材的选用是影响冷轧带肋钢筋性能的关键因素，介绍了冷轧带肋钢筋专用母材的技术开发。

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Consequently, children of a particular age cannot be expected to master educational material without taking into account their current level of cognitive development.

因此，如果不考虑特定年龄段的孩子们目前的认知发展水平，就不能期待他们能够掌握教材。

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If you're wondering how to master concurrency and distributed applications, you will find some great material in a very readable form.

如果您正疑惑如何掌握并行及分布式应用程序，那么您会找到非常易读的一些很好的资料。

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And so to master that material and move forward.

因此，来掌握那份材料并获取突破。

麻省理工公开课 - 固态化学导论课程节选

Francis Bacon, influenced by Machiavelli, urged human beings to employ their reason to force nature to give up its secrets, to treat nature like a woman, to master nature in order to improve man's material well being.

弗朗西斯·培根受到马基雅弗利的影响,提倡人们运用理性,来让自然原形毕露,像对待女人那样对待自然,去征服自然以提升人类的物质生活

耶鲁公开课 - 古希腊历史简介课程节选

Marsalis, JLCO's music director, said he was impressed by the amount of time the rock trio spent rehearsing the complex arrangements in order to master material outside their comfort zone.

WSJ: Crosby, Stills and Nash get jazzy with Marsalis

Mr Kennedy is master of his material in a double sense.

ECONOMIST: American history