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[招投标] 有关试验数据的修约规则 [复制链接]

1#
数字修约的规则} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
1、} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
修约间隔:指确定修约保留位数的一种方式,修约间隔一旦确定后,修约值即为该值的整倍数。} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
2、} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
数字修约的进舍规则} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
1)拟舍弃数字最左一位数小于5时,则舍去,即45入。} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
例如:13.24760.1)→13.2} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
13.2476
0.01)→13.25} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
13.2476
1)→13} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
2)拟舍弃数字最左一位数≥5时,而且后面的数字并非全部为0时,则进1,(保留末位数加1} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
例如:1167100)→1200} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
12*102
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
1167
10)→1170} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
117*10
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
10.502
1)→11} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
3)似舍弃数字最左一位数为5,而后面无数字或全部为0时,若所保留的末位数为奇数(13579)则进一,为偶数(24680)则舍弃,即奇进偶不进。} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
例如:2.0500.1)→2.0} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
0.150
0.1)→0.2} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
1350
100)→1400} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
14*102
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
0.0345
(保留2位有效)0.034} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
4)负数修约同前} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
50.5单位修约时,将拟修约数乘以2,按指定数位依进舍规则修约,所得数值再除以2} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
A} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
2A} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
24
1} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
A
的修约值} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
50.25} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
100.5} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
100} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
50.0
0.5} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
50.38} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
100.76} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
101} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
50.5
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
60.2单位修约时,先乘5,再除以5。同上。方法:小数间隔,先乘后除。} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
例如:将下列数修约到百位数0.2个单位(修约间隔20} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
A} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
5A} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
5A
的修约值(100 } ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
A
的修约值(20} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
830} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
4150} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
4200} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
840
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
842} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
4210} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
4200} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
840
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
又例:将下列数修约到个位数的5个单位。方法:整数间隔,先除后乘(钢筋就是这样修约)} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
A} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
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A/5} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
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} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
A/5
1} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
A
5} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
442.5} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
88.5} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
88} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
440
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
442.52} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
88.504} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
89} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
445
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
541.9} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
108.38} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
108} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
540
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
243.5} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
48.72} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
49} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
245
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
347.5} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
69.50} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
70} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
350
} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
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2#

一些例子编排变形了,,应该是A,2A,2A(1),A的修约值。。其它类推,看得懂的就看吧,大致意思还是清楚} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
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3#

数据计算法则依据标准是哪个} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
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4#

进来看看} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
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5#

依据标准是GB/T 8170—2008} ²4­ígB{bbs.3c3t.comŒ1ºw`U½¤
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