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燕石為玉
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燕石為玉
yān shí wéi yù
相傳有位宋人得一燕石,以為是至寶,用綿緞珠櫃收藏。若有人欲觀賞,必齋戒沐浴,才得觀賞。見《幼學瓊林.卷三.珍寶類》。後多為自謙之辭,以比喻自己珍藏之物,微不足道。
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differential display PCR technique DD-PCR
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differential display technique
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differential distance
differential distancemather 1936
differential distance system
differential distillation
differential distortion
differential distribution
differential distribution curve
differential distribution function
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differential distribution of cross-linking
differential divisor
differential divisor class
differential domain deformation
differential Doppler
differential doppler effect
differential doppler frequency shift
differential Doppler frequency-shift
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