有效性
The quality of being effective or valid; the degree to which something achieves its intended result or is legally binding.
مثالها
3 از 5他的护照已经过了有效性期限。
His passport has passed its period of validity.
政府需要证明新政策的有效性。
The government needs to prove the effectiveness of the new policy.
这种办法的有效性还有待观察。
The effectiveness of this method remains to be seen.
خانواده کلمه
راهنمای حفظ
'有' (have) + '效' (effect) + '性' (nature).
آزمون سریع
由于缺乏证据，这个结论的___受到了质疑。
درسته!
پاسخ صحیح این است: 有效性
مثالها
他的护照已经过了有效性期限。
everydayHis passport has passed its period of validity.
政府需要证明新政策的有效性。
formalThe government needs to prove the effectiveness of the new policy.
这种办法的有效性还有待观察。
informalThe effectiveness of this method remains to be seen.
本研究旨在测试该教学方法的有效性。
academicThis study aims to test the effectiveness of the teaching method.
合同的有效性取决于双方的签字。
businessThe validity of the contract depends on the signatures of both parties.
خانواده کلمه
ترکیبهای رایج
عبارات رایج
临床有效性
clinical effectiveness
数据有效性
data validity
有效性研究
validity study
اغلب اشتباه گرفته میشود با
有效性 (validity/effectiveness) is about achieving the result, while 效率 (efficiency) is about using minimal resources.
نکات کاربردی
Often used in scientific research (validity) and general management (effectiveness).
اشتباهات رایج
Confusing '有效' (adjective) with '有效性' (noun) in sentences requiring a subject.
راهنمای حفظ
'有' (have) + '效' (effect) + '性' (nature).
ریشه کلمه
Modern abstract noun formation.
الگوهای دستوری
آزمون سریع
由于缺乏证据，这个结论的___受到了质疑。
درسته!
پاسخ صحیح این است: 有效性
واژگان مرتبط
واژههای بیشتر education
补考
B1To take an examination again because of a previous failure or an excused absence.
退课
B1To withdraw from a course after it has started. This is a classic plot point in TOEFL listening dialogues about administrative issues.
勤工俭学
B1A program or practice of working part-time while studying to support oneself financially. Frequent in TOEFL conversations about financial aid or campus jobs.
旁听
B1To attend a class or a meeting as a listener without being officially enrolled or having to take exams.
课外
B1Activities, readings, or studies that are outside the formal classroom curriculum or regular school hours.
宣讲
B1To publicize and explain (policies, ideas, or products) through a talk or presentation. Very common for 'campus recruitment talks' (宣讲会).
掌握
B1To have a firm grip on something, usually referring to mastering a skill, language, or understanding a situation thoroughly.
修改
B1To change something slightly, especially in order to improve it or make it less extreme. Commonly used for texts, plans, or laws.
主修
B1To specialize in a particular academic subject as one's main area of study at a college or university.
缺勤
B1The state of being absent from work or school when one is expected to be there.
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