Present situation of developing a new generation iron and steel material at home and abroad is explained.

阐述了国内外新一代钢铁材料开发的现状，指出了新一代钢铁材料的发展趋势。

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Some about recent research activities of structure ultrafining treatment in iron and steel material was introduced.

论述了近年来钢铁材料组织超细化的研究成果。

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It is believed that the slurry making method using electromagnetic stirring which is contactless stir ring will be suitable for high melting point iron and steel material.

笔者认为电磁搅拌制备浆料方法中的搅拌是无接触搅拌，更适用于高熔点钢铁材料。

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Iron ore, the main raw material of steel, changed the lakes area and the nation.

VOA: special.2009.11.11

So you pick a better material like iron and steel, that makes a better bridge, we know that now because we have experience with bridges, but still your bridge might fail.

你选择了钢铁作为材料,来造了一座更好的桥,我们现在能够明晰这一点,是因为在造桥这件事上我们现在很有经验,但即使是我们现在造的桥也仍然会倒塌

耶鲁公开课 - 生物医学工程探索课程节选