The chain structure of half-sphere olive factor can surround every skin cell completely and effectively enhance skin's self-recovery power.
半足球式橄榄因子链锁结构，包裹住肌肤细胞的每一个侧面，有效平衡肌肤的修复能力。
If your vector field is not defined at the origin but defined everywhere else you cannot use this guy, but maybe you can still use, say, the half-sphere, for example.
如果向量场在原点处没有定义，但其他地方有定义，是不能用Stokes定理的，但还是有办法的，可以对半球面用的。
This is significant because of the unique geometrical features of the Arecibo telescope: whereas most radio dishes are parabolic in shape, the Arecibo dish is a giant half-sphere dug into the ground.
这非常重要，由于阿雷西博望远镜的独特几何结构：尽管绝大多数的射电望远碟面都是抛物面型的，而阿雷西博的碟面是在地上挖出的一个巨大半球。
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