在弱共价键化合物中，占据座位SAS(立体角系数扣)值最太的异构体有利于配体堆积。
In weak covalent compounds, the isomer with the maximum SAS (Solid Angle Factor Sum) of the ligand-occupied seats is more favourable for ligand packing.
双排扣的人造毛皮夹克采用了缺口领和2键关闭。
Double-breasted jacket with a synthetic fur collar and 2 button to close the gap.
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