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Correct
包络
/ bāo lào /
Strokes
Example
As a Noun
envelope
1
Bāolào
包络
qūxiàn
曲线
- Pinyin
- Sentence
envelope curve
2
Bāolào
包络
jiǎn
检
bō
波
- Pinyin
- Sentence
envelope detection
3
Bāolào
包络
hánshù
函数
- Pinyin
- Sentence
envelope function