Primary Structures基本组织 Derivative Structures变化组织 Combined Structures or Complex Structures联合或复合组织 ..
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In this paper, an inverse eigen derivative method (IEDM) for dynamic modification of mechanical structures is formulated for improving the eigen derivative method (EDM).
本文针对机械结构动力修改的特征导数法(EDM)所存在的问题，提出逆特征导数法(IEDM)。
The structures of the serial copper (I) complexes contained derivative bipyridine ligands have been determined and studied by X-ray diffraction.
通过X射线单晶衍射的测定，表征和分析了该系列含联吡啶类配体铜(I)配合物的结构。
The structures and compositions of castor oil and its ethoxylate derivative have been characterized by means of NMR and IR spectroscopy and MS spectrometry.
用核磁共振波谱、质谱和红外光谱表征了蓖麻油和非离子表面活性剂聚氧乙基蓖麻油的结构特征和它们的组成。
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