molecular ray分子射线molecularadj.分子的molecular-weight distribution分子量分布molecular electronics technique分子电子学工艺molecular imaging reporter gene分子影像学报告基因molecular electric conductivity分子电导率molecular beam epitaxial growth分子束外延生长molecular replacement technique分子置换法molecular connectivity exponent分子连接性指数法molecular maturation indicators分子成熟度参数molecular diffusion coefficient分子护散系数molecular electronic technology分子电子技术