4周搞定2000+托福核心词
六
hexa
常考释义
Other substances were then introduced: including fillers, such as woodflour, asbestos or cotton, which increase strength and moisture resistance, catalysts (substances to speed up the reaction between two chemicals without joining to either) and hexa, a compound of ammonia and formaldehyde which supplied the additional formaldehyde necessary to form a thermosetting resin.
然后加入一些其他物质，包括各种填充物，如木屑、石棉或棉花(用以提高强度和防潮性)、催化剂(用以提高化合反应的速度)，以及 hexa(氨和甲醛的化合物，用来提供合成热硬性塑料所需的大量甲醛)。
来源于：剑雅5-Test2n. 六
Based on perfect sequences and unitary matrices, this paper constructs a kind of hexa-phase ZCZ sequence and also improved the method, finally analyzes their correlation functions.
本文在最近提出的利用完备序列和酉矩阵构造ZCZ 序列的基础上，构造了一六相的ZCZ 序列，并将构造方法进行了扩展，并对其相关特性进行了分析。
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