In this approved ancillary study, macular pigment optical density (MPOD), macular pigment distributions, and skin carotenoid levels at enrollment and at each annual visit were measured to asse...
3
?平均计划停运小时
c o m 18、平均计划停运小时(MPOD) : 该厂2012年平均计划停运时间: #1机组: 计划停运小时:46.5+675.68=722.18小时 平均计划停运小时:722.18÷2=361.09小时 #2机...