When this process occurs, molecular chains can orient in the fiber direction. 在此處理過(guò)程中,分子鍵能沿纖維軸向定向排列。
Application of quantum mechanics to atomic structure, molecular bonding, and spectroscopy gives us quantum chemistry. 將量子力學(xué)應用于原子結構,分子鍵及光譜學(xué)即形成量子化學(xué)。