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亲近种
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亲近种
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理学
亲近种
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affinis
亲近种
与某一已知种接近,似有亲缘关系,但其形态特征仍有一定的区别,并由于材料不足或标本保存不够好,不能准确鉴定为已知种,也没有充分理由建立一个新种的标本。
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emission coefficient
emission component
emission computed tomography
emission computed tomography (ECT)
emission control of fuel-gas
emission control test of system
emission efficiency
emission efficiency of terahertz radiation
emission factor
emission factors
emission flux
emission frequency
emission inventories
Emission inventory of pollutants
emission line
emission-line galaxy
emission-line nebula
emission-line object
emission-line star
emission measure
emission mechanism
emission microscope
emission nebula
emission nebulosity
emission of black hole
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