A、<span style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.0pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">包含原点</span><span lang="EN-US" style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: " calibri","sans-serif";="" mso-bidi-font-size:="" 11.0pt;="" mso-fareast-font-family:="" 宋体;="" mso-bidi-font-family:="" "times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">X=(0,0,</span><span style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.0pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">…</span><span lang="EN-US" style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: " calibri","sans-serif";="" mso-bidi-font-size:="" 11.0pt;="" mso-fareast-font-family:="" 宋体;="" mso-bidi-font-family:="" "times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">,0)</span>
B、<span style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.0pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">有界</span><span style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: " calibri","sans-serif";="" mso-bidi-font-size:="" 11.0pt;="" mso-fareast-font-family:="" 宋体;="" mso-bidi-font-family:="" "times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"=""></span>
C、<span style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.0pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">无界</span>
D、<span style="FONT-SIZE: 12pt; LAYOUT-GRID-MODE: line; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.0pt; mso-ascii-font-family: Calibri; mso-hansi-font-family: Calibri; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">是凸集</span>