它使用金属结构以允许更快捷地搭建和体现更轻巧的结构元素。
It was used a metal structure for allowing speedier performance lighter structural elements.
奔驰最新款的安全概念车能在事故发生时让车内金属结构产生膨胀，以形成一道比较牢固的屏障。
Mercedes’s latest safety concept car already inflates metallic structures inside the doors to create a beefier barrier.
金相学，金属结构学以金属与合金结构为研究对象的学科，尤指用光学和电子显微镜使用。
The study of the structure of metals and alloys, especially by optical and electron microscopy and X-ray diffraction.
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