effectiveness
n. 有效性；效力
近义词：virtue，utility，efficiency，efficacy，success，use，usefulness，helpfulness，value，effectualness，effectivity，effectuality，strength，potency，ineffectiveness，
英英释义
Noun
- power to be effective; the quality of being able to bring about an effect
- capacity to produce strong physiological or chemical effects;
"the toxin's potency" "the strength of the drinks"
例句
用作名词(n.)
- I doubt the effectiveness of the medicine.我怀疑这种药的有效性。
- The numerical experiments show the effectiveness of the algorithm.数值试验的结果说明了算法的有效性。
- Once a contract is signed, it has legal effect.合同一旦签署即具有法律效力。
- When I was sad, music had a therapeutic effect.我悲伤的时候,音乐有治疗效力。