Paleolithic period intermediate stage important anthropolite, has Ma Baren, the Changyang man, Ding Cunren and so on.
旧石器时代中期重要
类化石,有马坝
、长阳
、丁村
等。
Paleolithic period intermediate stage important anthropolite, has Ma Baren, the Changyang man, Ding Cunren and so on.
旧石器时代中期重要
类化石,有马坝
、长阳
、丁村
等。
In the middle Eocene formations of North America occurs the more specialized Uintatherium (or Dinoceras), typifying the family Uintatheriidae.
于始新世中期北美洲,出现了更为专门
尤
,是属于犹
科。
Human Peripheral blood exposed with tritiated water at variousdoses for 54 hr was examined to observe the chromosome and chromatid abe-rrations at metaphases in the first mitosis of lymphocytes.
将体外周血在不同剂量
中培养54小时,观察到淋巴细胞第一次有丝分裂中期
染色体型及单体型畸变。
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