mr2
- abbr.MR2型;机械修理中士
mr2-
Objective To investigate the effect of arsenic sulfide on procoagulant activity ( PCA ), tissue factor expression and tissue factor mRNA transcription in ATRA resistant acute promyelocytic leukemia ( APL ) cell line & MR2 cell .
目的探讨硫化砷（雄黄As4S4，雌黄As2S3）对MR2细胞（维甲酸耐药的急性早幼粒细胞白血病细胞株）促凝活性（PCA）和组织因子（TF）表达的影响。
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Because the exact value of the Martian axial precession is presently unknown , the mean moment-of-inertia ratio , I / MR2 , of Mars cannot be derived as it is for the Earth or the Moon .
由于目前尚无法获得火星自转轴岁差的精确值，因此难以如同地球或月球那样导出火星的平均惯量矩系数I／MR2值。