有效性
这个药物的有效性已经通过多次临床试验得到了验证。
The validity of this drug has been verified through multiple clinical trials.
The quality or state of being valid, effective, or producing the intended result.
这个政策的有效性需要进一步评估。
The validity of this policy needs further evaluation.
数据的有效性是研究的基础。
The validity of the data is the foundation of the research.
Often used in scientific, legal, or technical contexts to describe the reliability or effectiveness of something.
Related Phrases
Pro Tip
Formal Usage
Use '有效性' in formal writing, such as reports, research papers, or legal documents, to describe the validity or effectiveness of a method, policy, or data.
Gold Rule
Precision
When discussing the validity of data or methods, '有效性' is more precise than '有效' as it emphasizes the quality of being valid or effective.
Word Origin
Composed of 有效 (yǒuxiào, meaning 'valid' or 'effective') and 性 (xìng, meaning 'quality' or 'nature').
Usage Notes
Commonly used in formal contexts, especially in scientific, legal, and technical writing. Avoid using in casual conversation.