测量计算(Measure to calculate)
Serial number: 561
Topic: calculation
Chapter 5-4
Title: the longitude and theodolite measurements are measured at a certain Angle. The obrved values are listed in the following table, and the median error of the obrved value and the mean error of the arithmetic mean are prented.
The measured value of the obrvation quence is V VV
1 36 ° 50 '30"
2 36 ° 50 '26"
3 36 ° 50 ', 28. ""
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4 36 ° 50 '24"
5 36 ° 50 '25"
6 to 36 答辩ppt怎么做° 50 '23"
Answer: m = + 2 ". 6, mx = + 1 ". 1
Key words: measurement Angle error
The difficulty:
Scoring criteria: V, VV 1, L, m, mx each 2 points
Serial number: 562
Topic: calculation
Chapter 5-4
The length of the axis of a dam is 234.5mm, with the error m as plus or minus 0.1 mm, and the actual length of the axis of the dam and the error MD in the middle error.
The answer: MD = plus or minus 0.1 m, D = 234.5m, plus or minus 0.1 m
The appended drawings: no
Key words: graphic length error
The difficulty:
纪念造句Score: 8 points
Serial number: 563
Topic: calculation
Chapter 5-4
Title: on 1:500 topographic map measurement error in the measurement of a certain dista
nce between two points S for + / - 0.2 mm, if the conversion for horizontal distance S on the field, becau of the amount on the drawing from the conversion of horizontal distance due to the error?
Answer: ms = plus or minus Mms = plus or minus 500 times 0.2 = plus or minus 0.1 m
The appended drawings: no朋友网登录
高兴英语怎么写Key words: graphical distance error
The difficulty:
Score: 8 points
Serial number: 564
Topic: calculation
Chapter 5-4
Title: the four sides of the quadrilateral are measured by the steel ruler, who side length is L1, L2, L3 and L4 respectively. The median error of each side measurement is m1 = plus or minus 3mm, m2 = plus or minus 5mm, m3 = plus or minus 1mm, m4 = plus or minus 7mm, and try to find the middle error MP for the perimeter of quadrilateral.
Answer: mp = + 9 mm
The appended drawings: no
Key words: quadrangle circumference error
The difficulty:
家教英语
北京大学心理学Score: 8 points
Serial number: 565
Topic: calculation
Chapter 5-4
Title: alpha and beta are obrved in a triangle, and gamma Angle is calculated from the calculation. If m alpha is equal to plus or minus 5, m beta = plus or minus 5, try m gamma.
Answer: m gamma = + 7"
The appended drawings: no
Key words: error in function
Low difficulty:
Score: 8 points
实际履行Serial number: 566
Topic: calculation
Chapter 5-4
Under the same conditions, a DJ6 theodolite was t up to obrve the four measurements in a single Angle, and the obrved value x1 = x2 = x3 = x4 = + 12.5, and the mean value of the obrvation Angle was mx.
Answer: mx = + 6 ". 25
The appended drawings: no
Key words: measurement Angle error
Low difficulty:
Score: 8 points