effective aid有效的援助effectiveadj.有效的；生效的；实际的effective distribution width of flange翼缘有效分布宽度Effective Parts of Zingiber Officinale生姜有效部位effectiveness of property announcement物权公示效力effective hydrogen desorption capacity有效放氢量effective vegetation degree of coverage有效植被覆盖度Effective Thermal Expansion Coefficient有效热胀系统effective static wind load distribution有效风荷载分布Effective and affable school magagement亲和高效的学校管理Effective microbial flora in ineestinal肠道有益菌effective substance of Chinese medicine中药效应成分