feature ; characteristic ; hallmark ; mark
这是这些酶首次特征性描述。
而因它们质量上的微小差别而形成的“拍”引起了那些特征性的干涉效应。
The "beats" are caused by small physical differences in mass that lead to those telltale interference effects.
他们看到了神经胶质瘤在大脑深部的特征性生长方式,与生长在表面的肿瘤相同。
They saw hallmarks of glioma growth in the deep brain that were previously known in tumors described as surficial (on or near the surface).
One reason it's been harder to identify stem cells is that they're so rare; the other reason is that it's hard to identify the characteristics of them and it's taken many years to work this out.
干细胞难以识别的原因之一是,这些细胞很少,另一个原因就是,干细胞的特征性蛋白难以识别,我们花了好多年去解决这个问题
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