摘要
有效数字在分析工作中具有重要意义 ,它的记录、修约、计算有严格的规定 ,在实践中具有重要的应用和指导意义。
Valid Figure is signficance for analysis work.A Strict regulation is acted in its recording and revising and calulating.The regulation is applicated widly in analysis practic.
出处
《有色矿冶》
2000年第3期57-59,共3页
Non-Ferrous Mining and Metallurgy
关键词
有效数字
修约
计算
记录
分析化学
valid figure
signficance
revise
calculation
application
