molecular gas分子气体molecularadj.分子的molecular systematic tree分子系统树molecular mark technology分子标记技术molecular electronegative电负性molecular absorption band分子吸收带molecular-weight cutoff截留分子量molecular weight oflignin木素分子质量molecular biology methods分子生物学方法molecular spectroanalysis[化] 分子光谱分析molecular radioautography分子放射自显影术Molecular/booster pump分子／增压泵