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biopolymer materials
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biopolymer materials
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工学
生物高分子材料
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biopolymer materials
生物高分子材料
在生态环境中微生物的作用下,在人体或动物体内组织、细胞、酶及体液等作用下,其化学结构发生变化,导致分子量下降并最终分解成对环境及生物体无害的高分子化合物的高分子材料。又称生物降解高分子材料。
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maintenance center
maintenance charge
maintenance cost
maintenance cost, maintenance charge
maintenance decision
maintenance degree
maintenance dose
maintenance economy of aircraft equipment
maintenance engineering of aircraft materiel
maintenance equipment
maintenance facilities for concentrator equipment
maintenance factor
maintenance for long-life structures
maintenance for manufacturing systems
maintenance hangar
maintenance hook
maintenance level of aircraft
maintenance line
maintenance maintenance building
maintenance management of aircraft
maintenance management of aircraft materiel
maintenance management of aquatic plant
maintenance management of ground covers plants
maintenance of distribution equipment
maintenance of hydraulic metal structure
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