皮皮学，免费搜题
登录
搜题
【判断题】
莫尔轮廓术是利用一个基准光栅与投影到三维物体表面上并受表面高度调制的变形光栅叠合形成莫尔条纹，该条纹描述出了物体的等高线，通过莫尔条纹分布规律，即可推算出被测件的表面形貌。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】单选题-有关头孢菌素类叙述不正确的是
A.
对β内酰胺酶较不稳定
B.
抑制细菌细胞壁合成
C.
与青霉素有部分交叉过敏反应
D.
对繁殖期的细菌有杀菌作用
E.
具有和青霉素一样的β-内酰胺环
【单选题】听力原文： Four people were killed and more than 50 injured when fans rushed to get into a stadium in Chicago yester day where the British pop group Fantasy were giving a concert. The incident occurred whe...
A.
4
B.
15.
C.
50.
D.
More than 54.
【简答题】(5)广义表运算式HEAD(TAIL((a,b,c),(x,y,z)))的结果是:__________。
【单选题】More than 200 fans were waiting at the airport late in the evening in the hope that they would ______ their favorite pop singer.
A.
catch up with
B.
reach to
C.
catch a glimpse of
D.
get through
【单选题】关于轴心受压柱的铰接柱头,下列说法错误的是( )。
A.
梁可支承于柱顶，也可连于柱的侧面
B.
梁的承托可采用T形钢，也可采用厚钢板
C.
梁支承于格构柱的柱顶时，格构柱两分肢间应设置竖向隔板
D.
承托与柱的连接焊缝按梁的支座反力计算
【单选题】Trains with the first letter D or Z can run __________ a speed of more than 200 kilometers an hour when it travels __________ the desert.
A.
with; cross
B.
in; through
C.
at; across
D.
for; in
【单选题】More football fans are expected to attend the matches in Germany 2006 than did in France 1998.
A.
Y
B.
N
C.
NG
相关题目：