symmetrical distribution

基本解釋

PET scan was compared with MRI. Results In healthy subjects PET scan showed clear and symmetrical distribution of radioactivity in the cerebral lobes.
結(jié)果正常人腦PET顯像可見(jiàn)大腦各葉、基底節(jié)、丘腦、中腦及小腦放射性分布均勻?qū)ΨQ(chēng)。
In a symmetrical distribution, values are equally likely to fall above the mean as below it, and the most likely value, the mode, is equal to the mean.
從對(duì)稱(chēng)分布來(lái)看，分布在中間值上面的與下面的差不多是相等的，最可能的值，即mode，是與中間值相等的。
In electric discharge milling machining (EDMM) process, the rotation of the tool electrode makes tool wear be axial symmetrical distribution, so it is possible to be compensated.
在電火花銑削加工中，由于工具電極作旋轉(zhuǎn)運(yùn)動(dòng)，其損耗呈軸對(duì)稱(chēng)分布，使工具電極的補(bǔ)償成為可能。