无论如何,在考虑佐剂安全性问题的早期阶段不可能不使用动物。
Nevertheless, animals cannot be dispensed with in the early consideration of a safety profile.
素食新闻:为什么在大学阶段开设动物权益的相关课程是很重要的?
VegNews: Why is it important to offer animal-rights courses at the college level?
在早期发育的每个阶段,在发育速度上,人类的婴儿都被其他动物的幼崽甩在了后面。
At every stage of early development, human babies lag behind infants from other species.
动物细胞在胚胎发育的较早阶段便失去了其全能性。
Animal cells lose their totipotency at an early stage in embryonic development.
动物蛋白质营养研究已进入一个新的阶段:肽营养阶段。
The period of peptide is a new period of study of protein nutrition.
第一个阶段是驯养动物。
第一个阶段是驯养动物。
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