effective aid有效的援助effectiveadj.有效的；生效的；实际的Effective thickness of absorption layer有效吸收层厚度Effective Principals Need Survival Tips校长生存的技巧effectiveness and general recursiveness能行性和一般递归effective fishing mortality coefficient有效捕捞死亡系数effective responsive quantum effeciency有效响应量子效率effectiveness of entrepreneurial action创业行动效能effective berths conversion coefficient有效泊位数EFFECTIVE REDUCTION OF BLOW-DOWN NOISE排气噪声的有效降低effective classroom instruction behavior有效课堂教学行为effective cross-cultural communication跨文化有效交际