如果油流从油井底部进入到生产管线内，这个环绕在生产管线外部的阻隔体对阻止油流上升能起多大作用呢，两者的差异将会非常小。
If oil got into the production pipe from the bottom, then barriers that would have impeded its flow up the cavity around that pipe would have made little difference.
关节突关节是位于脊柱背侧两个椎体间的一对小关节。
Facet joints are pairs of small joints between the vertebrae in the back of the spine.
在低密度区域，三体核力重排贡献对同位旋对称势的影响相当小，然而随着密度的升高，三体核力重排效应的贡献显著增强。
At low densities, the influence of the TBF rearrangement on symmetry potential is rather small, and the TBF rearrangement effect becomes more and more pronounced as the density rises.
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