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marking of grazing livestock
释义
marking of grazing livestock
Encyclopedia
农学
放牧家畜标识
释
marking of grazing livestock
放牧家畜标识
为方便放牧家畜尤其是种畜的选种与选配、防疫、检疫和监督的管理,或者公共牧场不同生产场放牧群体的区分,在放牧家畜特定部位做的识别标记。要求做到一畜一标,身份唯一。
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impurity atom
impurity average
impurity band
impurity band conduction
impurity band conduction detector
impurity defect
impurity defect; extrinsic defect
impurity diffusion
impurity diffusion technique
impurity effect
impurity ensemble
impurity in semiconductor
impurity inspection of crude drug
impurity in the wool fibers
impurity level
impurity mode
impurity photo conductance
impurity photo-conductance
impurity photoconduction
impurity resistivity
impurity scattering
impurity scattering for carrier
impurity segregation
impurity semiconductor
impurity state
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