他们采用现代天文学家的假设，假定宇宙是平坦的，计算出宇宙处于以下三种状态之一的可能性：平坦的，正向弯曲或反向弯曲。
Using modern astronomers' assumptions, which presuppose a flat universe, they calculated the probability that the universe was in one of three states: flat, positively curved or negatively curved.
位移电流的机理只对反向偏压或要维持空间电荷层所需要的非常弱的正向偏压条件下的电容器才有用。
The displacement current mechanism is operative only for capacitors under reverse bias or very weak forward bias conditions which maintain a space-charge layer .
提示机体染氟后通过各种正向或反向调节维持正常的免疫应答。其中IL -8及NO参与了复杂的免疫调节。
It indicated that bodies maintained the normal immune response through positive or opposite immune regulation after being exposed to fluoride, IL 8 and no all took part in this complicate course.
这些剪切带阵列经历了长期的演化历史，具正向的、反向的、螺旋形或旋回式的流变学演化轨迹。
The shear zone arrays in Tongbai - Dabie orogenic belt experienced a long history of evolution, showing the normal, inverse and screw -type or cyclic rheological evolutional paths .
设计了一种全局正向、局部反向的推理方式，并结合改进的与或树深度优先搜索策略建立了专家系统的推理机。
A overall-forward part-backward reasoning way is designed and an expert system reasoning machine is built with improved and-or tree deep priority searching strategy.
反向引物SA4或EM6与研究的所有正向引物组合时产生的多态性条带分子量完全相同，这些条带可能是由反向单引物扩增而来的。
The reverse primers SA4 or EM6 produced identical polymorphic bands when combined with all the forward primers tested. These bands might be amplified by the reverse primers.
反向引物SA4或EM6与研究的所有正向引物组合时产生的多态性条带分子量完全相同，这些条带可能是由反向单引物扩增而来的。
The reverse primers SA4 or EM6 produced identical polymorphic bands when combined with all the forward primers tested. These bands might be amplified by the reverse primers.
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