但是质量以及钢材方面请大家可以放心！
But quality and steel aspects please everyone can rest assured!
碳纳米管在强度和导热、导电性能方面具有优异性能，它们的强度是钢材的100倍。
The appeal lies in their strength (they are up to 100 times stronger than steel) and their ability to conduct both heat and electricity.
欠发达国家凝成一体，就能在食品、肥料、水泥和钢材等方面迅速摆脱对发达国家的依赖，并逐渐摆脱在机械设备方面的依赖。
'Taken as a group, lesser-developed countries could quickly end their dependence' on the North for food, fertilizer, cement and steel — and 'more gradually throw off their dependence for machinery.
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