波动
Frequent changes in level or value, moving up and down irregularly like waves.
أمثلة
3 من 5水面上有一点波动。
There is a slight ripple on the water surface.
汇率的波动影响了国际贸易。
Fluctuations in exchange rates have affected international trade.
他的心情最近波动很大。
His mood has been fluctuating a lot lately.
عائلة الكلمة
نصيحة للحفظ
Think of '波' (wave) moving across the ocean.
اختبار سريع
由于市场不确定性，金价在过去一个月里一直在___。
صحيح!
الإجابة الصحيحة هي: 波动
أمثلة
水面上有一点波动。
everydayThere is a slight ripple on the water surface.
汇率的波动影响了国际贸易。
formalFluctuations in exchange rates have affected international trade.
他的心情最近波动很大。
informalHis mood has been fluctuating a lot lately.
实验结果存在一定的统计波动。
academicThere is a certain amount of statistical fluctuation in the experimental results.
为了减少价格波动，公司签订了长期合同。
businessTo reduce price fluctuations, the company signed long-term contracts.
عائلة الكلمة
تلازمات شائعة
العبارات الشائعة
产生波动
to cause fluctuation
随...波动
to fluctuate with...
波动的曲线
fluctuating curve
يُخلط عادةً مع
变化 is a general word for change, while 波动 specifically refers to moving up and down.
ملاحظات الاستخدام
Use this word to describe a line graph that doesn't show a clear trend but goes up and down.
أخطاء شائعة
Sometimes confused with '振动' (vibration), which is physical movement, whereas 波动 is often used for data.
نصيحة للحفظ
Think of '波' (wave) moving across the ocean.
أصل الكلمة
波 (bō) means wave, and 动 (dòng) means movement.
أنماط نحوية
اختبار سريع
由于市场不确定性，金价在过去一个月里一直在___。
صحيح!
الإجابة الصحيحة هي: 波动
مفردات ذات صلة
مزيد من كلمات Data Analysis
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