单选题M点高程HM=43.251m,测得后视读数a=1.000m,前视读数b=2.283m。则视线高Hi和待求点N的高程HN分别为( )。A45.534m;43.251mB40.968m;38.685mC44.251m;41.968mD42.251m;39.968m
单选题
M点高程HM=43.251m,测得后视读数a=1.000m,前视读数b=2.283m。则视线高Hi和待求点N的高程HN分别为( )。
A
45.534m;43.251m
B
40.968m;38.685m
C
44.251m;41.968m
D
42.251m;39.968m
参考解析
解析:
视线高程是指视准轴到绝对基面的垂直高度。通过视线高推算出待定点的高程,视线高为:Hi=HM+a=43.251+1.000=44.251m;N点的高程为:HN=Hi-b=44.251-2.283=41.968m。
视线高程是指视准轴到绝对基面的垂直高度。通过视线高推算出待定点的高程,视线高为:Hi=HM+a=43.251+1.000=44.251m;N点的高程为:HN=Hi-b=44.251-2.283=41.968m。
相关考题:
M点高程HM = 43. 251m,测得后视读数a=1. 000m,前视读数b=2. 283m。则N点对M点的高差hMN和待求点N的高程HN分别为:A. 1. 283m ,44. 534mB. -3. 283m,39. 968mC. 3. 283m ,46. 534mD. -1. 283m,41. 968m
D点高程,测得后视读数a=1.000m,前视读数b=2.283m。测视线高和待求点N的高程分别为( )。A、45、534m,43、25lmB、44、25lm,41、968mC、40、968m,38、685mD、42、251m,39、968m
M点高程HM=43.251m,测得后视读数a=1.000m,前视读数b=2.283m。则视线高Hi和待求点N的高程HN分别为( )。 A、45.534m;43.251m B、40.968m;38.685m C、44.251m;41.968m D、42.251m;39.968m
M点高程HM=43. 251m,测得后视读数a=1. 000m,前视读数b=2. 283m。则视线高Hi和待求点N的高程分别为:A. 45. 534m,43. 251m B. 40. 968m,38. 6S5mC. 44. 251m,41. 968m D. 42. 251m,39. 968m
M点高程HM = 43. 251m,测得后视读数a=1. 000m,前视读数b=2. 283m。则N点对M点的高差hMN和待求点N的高程HN分别为:A. 1. 283m ,44. 534m B. -3. 283m,39. 968mC. 3. 283m ,46. 534m D. -1. 283m,41. 968m
A点高程40.150m,B点高程41.220m,施工单位从A点引测M点高程,前视读数1.10m,后视读数1.4m。再从B点校核M点高程,后视读数1.10m,前视读数应为( )m。A.1.25B.1.37C.1.49D.1.87
已知水准点高程HM=43.251m,测得后视读数a=1.000m,前视读数b=2.283m。则视线高H、N点对M点的高差hMN和待求点N的高程HN分别为( )A.45.534m、+1.283m、44.534mB.40.968m、-3.283m、39.968mC.44.251m、-1.283m、41.968mD.42.251m、+3.283m、46.534m
设A点为后视点,B点为前视点,后视读数a=1.240m前视读数b=1.428m,则()。A、后视点比前视点低B、后视点比前视点高C、若A点高程HA=202.016,则视线高程为203.140mD、若A点高程HA=202.016,则前视点高程为201.828mE、A、B两点中,水准尺上读数小的高程值小。
己知点为M、待求点为N,M点高程H=43.25lm,后视读数a=1.000m、前视读数b=2.283m、则:求得视线高H1、N点相对于M点高差h、和待求点N点高程为()m。A、45.534、+1283、44.534B、40.968、-3.283、39.968C、44.251、-1.283、41.968D、42.251、+3.283、46.534
M点的高程为43.251m,测得后视读数为a=1.000m,前视读数为b=2.283m,则视线高Hi和待测点B的高程分别为()mA、45.534,43.251B、40.968,38.685C、44.251,41.968D、42.251,39.968
设地面上A、B两点,A为后视点,B为前视点,A点高程为66.429(19.574)m,后视读数为2.312(1.334)m,前视读数为2.628(1.785)m,计算:AB两点的高差?A点与B点哪点高?B点高程为多少?视线高程为多少?
设地面上A、B两点,A点为后视点、B为前视点,A点高程为18.763m,后视读数为1.523m,前视读数为1.875m。计算A、B两点的高差?A点与B点哪点高?,B点高程为多少?视线高程为多少?
设地面上A、B两点,A为后视点,B为前视点,A点高程为18.763m,后视读数为1.523m,前视读数为1.875m,计算A、B两点的高差?A点与B点哪点高?B点高程为多少?视线高程为多少?
设A点为后视点,B点为前视点,后视读数a=1.124m,前视读数b=1.428m,则()A、hAB=-0.304mB、后视点比前视点高C、若A点高程HA=202.016m,则视线高程为203.140mD、若A点高程HA=202.016m,则前视点高程为202.320m
已知水准点高程HM=43.251m,测得后视读数a=1.000m,前视读数b=2.283m则视线高H、N点对M点的高差hMN和待求点N的高程HN分别为()A、45.534m、+1.283m、44.534mB、40.968m、-3.283m、39.968mC、44.251m、-1.283m、41.968mD、42.251m、+3.283m、46.534m
M点高程Hm=43.251m,测得后视读数a=1.000m,前视读数b=2.283m。则N点对M点的高差hMN和待求点N的高程HN分别为:()A、1.283m,44.534mB、-3.283m,39.968mC、3.283m,46.534mD、-1.283m,41.968m
设A点为后视点,B点为前视点,后视读数a=1.24m,前视读数b=1.428m,则()。A、hAB=-0.188m;B、后视点比前视点高;C、若A点高程HA=202.016m,则视线高程为203.256m;D、若A点高程HA=202.016m,则前视点高程为202.320;E、后视点比前视点低。
单选题设A点为后视点,B点为前视点,后视读数a=1.124m,前视读数b=1.428m,则哪项是错误的()。AhAB=-0.304mB后视点比前视点高C若A点高程HA=202.016m,则视线高程为203.140mD若A点高程HA=202.016m,则前视点高程为202.320m
单选题己知点为M、待求点为N,M点高程H=43.25lm,后视读数a=1.000m、前视读数b=2.283m、则:求得视线高H1、N点相对于M点高差h、和待求点N点高程为()m。A45.534、+1283、44.534B40.968、-3.283、39.968C44.251、-1.283、41.968D42.251、+3.283、46.534
单选题M点高程HM=43.251m,测得后视读数a=1.000m,前视读数b=2.283m。则视线高程Hi和待求点N的高程HN分别为( )。A45.534m;43.251mB40.968m;38.685mC44.251m;41.968mD42.251m;39.968m
单选题M点高程HM=43.251m,测得后视读数a=1.000m,前视读数b=2.283m。则视线高Hi和待求点N的高程分别为:()A45.534m,43.251mB40.968m,38.685mC44.251m,41.968mD42.251m,39.968m
单选题中平测量中,转点的高程等于()。A视线高程-前视读数B视线高程+后视读数C视线高程+后视点高程D视线高程-前视点高程