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科技苑【20140814】看点介绍
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科技苑20140814集剧情：第20140814期
给猪称体重，居然关系到能不能培育出好品种的猪; rnrn 女婿和岳父联手，要做一台奇秤，想把猪的体重精确到0.1克; rnrn 为什么要这么精准? rnrn 猪爱乱动，又怎么才能称出猪的体重? rnrn 想知道吗?《科技苑》为您讲述。 rnrn
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