红外光谱和电子能谱的分析结果表明:聚合物薄膜中含有环状共轭结构,铜与聚合物以共 价键、 配 位键结合。
Results of analysis with IR and ESCA showed that ring -shaped conjugated structures exist in the films. Copper atom may be linked to the polymer either by covalent bond or coordination bond.
谓词在句法结构层面上连接的句法位叫做谓词的句法配价。
The syntactic positions which are connected by the predicate at the syntactic level are called the syntactic valence of the predicate.
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