Know the concepts of bond length, bond energy and dipole moment. 了解键长、键能、偶极矩的概念。
The results of the quantum chemistry suggested that the difference of bond length, charge and dipole moment of the compounds resulted in their herbicidal activities. 根据量子化学计算,从键长、电荷和偶极距方面解释了不同化合物的除草活性差异。