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可以让他们进行劳动改良，提高对动物的保护意识。
Can let them to improve the labor protection awareness.
youdao
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传统的动物筛选模式劳动强度大，效率低。
Animal screening is the traditional screening method with hard work and low efficiency.
youdao
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传统的动物筛选模式劳动强度大，效率低。
Animal screening is the traditional screening method with hard work and low efficiency.
youdao