在第一次服用后的数周内，通过阻止肿瘤形成内部所需的蛋白质，药效似乎有所显现。
Within weeks of the first dose, it appeared to work, by preventing tumors from making proteins they need to survive.
但他们是否能设法阻止这些新政策的实施尚是未定之数。
Whether they'll manage to block the new policies is uncertain, however.
在低速和高速情况下，分别得到了有效电荷数和电子阻止本领的解析表示式。
In the case of low and high velocities, the analytical expressions of the electronic stopping power and the effective charge are obtained, respectively.
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