皮皮学,免费搜题
登录
搜题
【简答题】
最早提出了割圆术的人是_____。
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】我国水准仪按精度分为:DS05、DS1、DS3和 DS10四个等级,其下标数字表示精度等级,如DS3型水准仪的“3”表示( )。
A.
每千米水准测量高差中数偶然中误差为 ± 3mm
B.
水准仪的型号
C.
水准仪的误差值是3mm
D.
仪器的最小读数为3mm
【单选题】It___ Mike and Mary who helped the old man several days ago.
A.
was
B.
are
C.
were
D.
is
【单选题】It ____Mike and Mary who helped the old man .
A.
are
B.
was
C.
were
D.
had been
【单选题】It__Mike and Mary who helped the old woman yesterday
A.
was
B.
are
C.
ere
D.
had been
【单选题】It Mike and Mary who helped the old man a few days ago.
A.
was
B.
are
C.
were
D.
had been
【单选题】工程测量中一般使用DS3型微倾式普通水准仪,其中数字“3”表示该仪器精度为每公里往返测量高差中数的( )中误差为13mm。
A.
偶然
B.
人为
C.
系统
D.
仪器
【单选题】It Mike and Mary who helped the old man several days ago.
A.
was
B.
were
C.
are
D.
had been
【单选题】工程测量中较多使用DS3型微倾式普通水准仪,数字3表示该仪器精度,即每公里往返测量高差中数的偶然中误差为( )。
A.
±3mm
B.
3mm
C.
-3mm
D.
± mm
【简答题】工程测量中较多使用DS3型微倾式普通水准仪,数字3表示该仪器精度,即每公里往返测量高差中数的偶然中误差为( )。
【单选题】It__Mike and Mary who helped the old man several days ago.
A.
was
B.
are
C.
were
D.
had been
相关题目: