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万牲园
释义
万牲园
Encyclopedia
理学
〔中国生物学史综合条目〕
释
zoo
万牲园
清末在北京农事试验场内设立的一所向公众开放的动物园,即北京动物园的前身。广义上它包括整个农事试验场。民间或称三贝子花园,又称万生园。
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ultraphotic rays
ultraporcelain
ultrapower
ultra-precision cutting of single crystal brittle material assisted with ion implantation
ultra-precision cutting of surface-modified carbon steel
ultra-precision grinding of brittle materials
ultra-precision machining
ultra-precision machining of optical spherical and freeform surface
ultra-precision manufacturing of optical surfaces
ultra-precision mechatronics system
ultra-precision opto-mechanical system
ultraproduct
ultraproduct technique
ultraproduct theorem
ultra-pure materials
ultrapure water
ultrapurification of materials
ultraradical
ultrarapid lens
ultraray
ultrarays
ultra-red
ultraregular space
ultraregular topology
ultrarelativistic
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