偏差
piān chā HSK 6

English Meaning

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📚 Example Sentences

测量结果有微小偏差。
Cèliáng jiéguǒ yǒu wēixiǎo piānchā.
The measurement results have a slight deviation.
他的观点存在明显偏差。
Tā de guāndiǎn cúnzài míngxiǎn piānchā.
His viewpoint has an obvious bias.
我们需要纠正这个偏差。
Wǒmen xūyào jiūzhèng zhège piānchā.
We need to correct this deviation.
这个偏差很小。
Zhège piānchā hěn xiǎo.
This deviation is small.
数据有偏差。
Shùjù yǒu piānchā.
The data has a deviation.

💡 Memory Tip

Break down the characters: 偏 (piān) means 'biased' or 'inclined,' and 差 (chā) means 'difference.' Think of it as a 'biased difference' from what is correct or expected, helping recall its meaning of deviation or error.

📝 Usage Notes

This word is neutral and commonly used in formal or technical contexts, such as academic writing, scientific reports, engineering, and data analysis. It can also appear in everyday spoken language when discussing mistakes or divergences, but it leans toward written and professional use.

📖 Grammar Points

As a noun, 偏差 often follows verbs like 产生 (produce), 纠正 (correct), or 减少 (reduce), and can be modified by adjectives like 大 (large) or 小 (small). It is commonly used in phrases like '偏差太大' (the deviation is too large) or '存在偏差' (there is a deviation).

🏯 Cultural Notes

In Chinese academic and professional settings, precision is highly valued, so 偏差 is frequently discussed in contexts like quality control, research, and education to emphasize accuracy and correction of errors. It may also be used in social commentary to describe deviations from traditional norms.

🔄 Similar Words

偏差 is similar to 误差 (wùchā), which specifically means 'error' in measurements or calculations, often with a technical nuance. 偏差 can imply a broader 'deviation' from a standard or norm, including social or behavioral aspects, whereas 误差 is more narrowly focused on numerical or scientific inaccuracies.

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