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Correct
准直
/ zhǔn zhí /
Strokes
Example
As a Noun
collimation
1
Zhǔnzhí
准直
tòujìng
透镜
- Pinyin
- Sentence
collimating lens
2
Zhǔnzhí
准直
guāngshù
光束
- Pinyin
- Sentence
collimated beam