栓子（embolus）
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The full title of the U.K. is the United Kingdom of （）and （）
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组织和细胞培养(tissue-and-cell-culture)
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APUD瘤(amine precursor uptake and decarboxylation tumor)
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请列出栓子的种类及栓子的运行途径？
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public and private colleges and universities and community colleges offer（）.
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（）is used for calling and replying,and for transmitting acknowleding and relaying distress alerts.
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The way in which people address each other depends on their age, sex, social group and personal relationship. The English system of address forms frequently used includes first name, last name, title+last name, （）, and kin term.
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Solid waste generation，and electricity and water consumption are costly and have their own set of environmental（）.
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