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1·The method was applied to the calculation of the ring bond angles of furan, pyrrole, and coumarin. The calculated results are in good agreement with the experimental data.

用该法计算了呋喃、吡咯和香豆素的环内键角，计算结果与实验值很接近。

2·The method was applied to the calculation of the ring bond angles of furan, pyrrole, and coumarin. The...

用该法计算了呋喃、吡咯和香豆素的环内键角，计算结果与实验值很接近。

3·The method was applied to the calculation of the ring bond angles of furan, pyrrole, and coumarin. The calculated results...

用该法计算了呋喃、吡咯和香豆素的环内键角，计算结果与实验值很接近。