野外鉴定长石时要特别注意双晶的观察。

Field evaluation of feldspar should pay special attention to twin observation.

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她用那双晶莹明媚的眼睛端详着我。

She studied me with her sharp bright and beautiful eyes.

《新英汉大辞典》

设计了爬波探头的数学模型，根据该模型制作了双晶爬波探头。

The mathematic model of creeping wave probe was designed, and also the dual crystal creeping wave probe according to the model was made.

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