摘要院[目的/意义] 文章基于全球“海洋水产饲料” 领域的专利数据, 通过对比分析世界各区域在该
领域的技术发展特征, 揭示中国在“海洋水产饲料” 领域实施技术创新面临的国际形势和存在的 …

[目的/意义] 目前中国畜牧业正处于加快转型的重要时期, 了解相关技术的发展态势对于畜牧业的
发展具有一定的借鉴意义.[方法/过程] 本文以设施畜牧业领域技术研发的3 个主要方向 …

[Objective] The paper represents category unit of the categorical document as an AND-OR
logical expression with semantic features, which provides data for category semantic …

[Purpose/Significance] The livestock and poultry industry in China is in an important period
of accelerating transformation. Understanding the research status of the related technology …

[Purpose/Significance] This paper compares the characteristics of" marine aquatic feed"
technology evolution in different countries based on the global patent data in order to find …