【单选题】
已知四点A(10、20、30)、B(30、20、10)、C(10、20、10)、D(20、20、30),则对H面的重影点为______。
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
A与D,D点可见
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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B与C,B点可见
③
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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A与C,A点可见
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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{mso-style-name:普通表格;
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A与C,C点可见
【单选题】
A点坐标为(10、20、30),B点坐标为(30、20、30)则AB距离为______。
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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正垂线
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
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{mso-style-name:普通表格;
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mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
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mso-bidi-font-size:11.0pt;
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mso-ascii-font-family:等线;
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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;}
侧垂线
③
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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mso-hansi-theme-font:minor-latin;
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正平线
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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mso-para-margin:0cm;
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mso-bidi-font-size:11.0pt;
font-family:等线;
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铅垂线
【单选题】
已知点A(20,20,10),点B(20,20,30),则( )产生重影点。
【单选题】
已知if (xy||xz);z=x; x=y; y=z;int x=30,y=50,z=80;语句执行后变量x、y、z的值分别为:。
【单选题】
已知点A(20,20,10),点B(20,25,30),则( )产生重影点。
【单选题】
已知 int x=30,y=50,z=80;以下语句执行后变量x、y、z的值分别为:。if (xy||xz)z=x; x=y; y=z;
【单选题】
已知 int x=30,y=50,z=80;以下语句执行后变量x、y、z的值分别为:。if (xy||xz)z=x; x=y; y=z;
【单选题】
静脉注射20%葡萄糖50ml,尿量增加的原因是
【判断题】
80/20规则是指通常数量或种类为80%的采购物品只占有20%的采购金额值;而有50%以上的采购物品的采购总金额之和在2%以下。
【单选题】
某医院一年内收治202例腰椎间盘后突病人,其年龄的频数分布如下,为了形象表达该资料,适合选用( )年龄(岁):10~20~30~40~50~60~ 人数: 6 40 50 85 20 1