【单选题】【消耗次数：1】
点的正面投影和侧面投影的连线垂直于（ ）。
①
OZ轴
②
不能确定
③
OX轴
④
OY轴
参考答案：
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相关题目
【单选题】
直线AB的正面投影与OX轴倾斜，水平投影与OX轴平行，则直线AB是( )
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
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mso-hansi-font-family:等线;
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水平线
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
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正平线
③
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
侧垂线
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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mso-para-margin-bottom:.0001pt;
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font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
一般位置线
【单选题】
根据投射线和轴测投影面相对位置的不同，轴测投影可分（ ）。
①
正轴测投影和斜轴测投影
②
水平轴测投影和竖直轴测投影
③
直轴测投影和歪轴测投影
④
斜二轴测投影和斜三轴测投影
【单选题】
平面的正面投影积聚为一条直线并与OX轴平行，该平面是（ ）。
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
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mso-para-margin:0cm;
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mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
正平面
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
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mso-para-margin:0cm;
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mso-bidi-font-size:11.0pt;
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mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
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水平面
③
Normal
0
7.8 磅
0
2
false
false
false
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ZH-CN
X-NONE
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mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
正垂面
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
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mso-fareast-font-family:等线;
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mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
铅垂面
随机题目
【单选题】
下列人物中，大大发展了春秋以来的民本思想，不仅要求统治者“保民”、“与民同乐”，而且进一步提出“民为贵，社稷次之，君为轻”的思想的人物是：
①
孔子；
②
孟子；
③
荀子；
④
庄子