网络释义专业释义
本论文主要包括以下几个方面的内容：(1)系统地研究了一系列二氧化硅纳米团簇结构,包括由二元环(2-Membered Ring,2MR)、三元环(3MR)、四元环(4MR)以及二三杂化(2-3MR)、二四杂化(2-4MR)和二六杂化(2...
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five-membered ring 五元环 ; 五员环 ; 五原子环 ; 五节环
six-membered ring 六元环 ; 六原子环
three-membered ring 三元环 ; 三原子环 ; 三节环
four-membered ring 四元环 ; 四原子环
six membered ring 六员环 ; 六元环
eight-membered ring 八员环 ; 八元环
many-membered ring compound 多员环化合物
双语例句原声例句
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The six-membered ring of each kind of metals is the most stable.
三种元素的六员环短-长键交替结构都是各自环簇中最稳定的结构。
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The result shows that the transition state of the rearrangement reaction has a three-membered ring structure.
结果表明，该重排反应经过一个三元环过渡态。
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The obtained results show the isomerization reaction first forms a four membered ring transition state and then the product is got.
研究结果表明该异构化反应先形成一个四元环过渡态而后转变为产物。
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They want to get as far away from each other possible, the ideal angle is 120. But what we have here is a four-membered ring, so what angle does 90° that have to be, that bond? 90 degrees.
它们想要尽量远离彼此，最理想的是形成120°键角,但现在是个四元环,所以这键角应该多大？
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