n. the quality of having legal force or effectiveness
n. 有效性, 正确性
[计] 有效性
1. The validity of the research findings was questioned by many scientists.
许多科学家质疑研究结果的有效性。
2. You must provide proof of the validity of your claims.
你必须提供你主张有效性的证明。
3. The contract is only valid if it has the signature of both parties.
合同只有在双方签字后才有效。