A.0.08
B.0
C.0.24
D.0.48
A . .10 inch.
B . .19 inch.
C . .34 inch.
D . .49 inch.
E . .67 inch.
183 Two sources of variation in the length of hex bolts exist. Production variation and measurement error. The QC manager knows that the standard deviation from these sources is 0.24" and 0.43" , respectively. What is the total standard deviation.
A. .10 inch.
B. .19 inch.
C. .34 inch.
D. .49 inch.
E. .67 inch
遥感器系统空间分辨率的选择,一般应选择小于被探测目标最小直径的1/2。
A.1/10
B.1/5
C.1/3
D.1/2
选择不同标号的柴油时,以当地最低使用温度略高于柴油的冷凝点___为宜。()
A:1~2ºC
B:4~6ºC
C:8~10ºC
A.0.84万元
B.0
C.2.4万元
D.0.24万元