说的主要表现形式有“（）”和“（）”两个方面。

The full title of the U.K. is the United Kingdom of （）and （）

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DDOS攻击的具体表现形式主要有以下几种：（）。

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public and private colleges and universities and community colleges offer（）.

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图层合并是指通过把两个图层的区域范围联合起来而保持来自输入地图和叠加地图的所有地图要素。在布尔运算上用的是“and”关键字，即输入图层and叠加图层。

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Inter Me Configuration Import and Export支持（）和enb-eNodeB Ground Data表的导入和导出操作。

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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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Inter Me Configration Import and Export功能在Configuration中的哪个子菜单？（）

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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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