The most influential systems constructed by Duke Zhou include the patriarchal clan system, feudatory system, hereditary system and legal system.

周公构建的制度中影响重大的有宗法制、分封制、嫡长子继承制、法制等。

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The State shall apply a system governing the export of such scientific and technological resources as precious, rare, and endangered biological germplasm resources and hereditary resources.

国家实行珍贵、稀有、濒危的生物种质资源、遗传资源等科学技术资源出境管理制度。

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The content system of hereditary and evolution module in The Biology Curriculum Standards in General Senior Middle Schools (experimental edition) is constructed according to logical regulations.

《普通高中生物课程标准(实验)》“遗传与进化”模块的内容体系，就是按逻辑规则构建的。

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If the people voted to retain the current system, complete with hereditary peers, this would immediately remove any arguments about their legitimacy, which so far as I can see is the only reason that anyone's advanced for change.

BBC: Your views on the Lords

Huntington's disease is an hereditary neurological disorder of the central nervous system that causes progressive degeneration of cells in the brain, slowly impairing a person's ability to walk, think, talk and reason.

BBC: Rookwood Hospital, Cardiff