Concentrically braced frames can provide high elastic stiffness and are widely used.
中心支撐框架具有很大的彈性剛度,在實(shí)際中應(yīng)用廣泛.
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Onion - like carbon nano - particles synthesized from phenolic resin have concentrically, quasi - spherically structures and high order.
以酚醛樹脂為碳源制備的洋蔥 狀 富勒烯具有完美的同心 、 準(zhǔn)球結(jié)構(gòu)和高度有序性.
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