• That cabin is a 14-ton spherical steel capsule only two meters in diameter, with a single,half-meter-wide circular plastic window for viewing.

    VOA: standard.2010.06.21

  • And this is kind of nice because you see it is not an abrupt spherical surface.

    这种动画很好,因为你从中看到的并不是一个唐突的球面。

    麻省理工公开课 - 固态化学导论课程节选

  • a perfectly spherical shell dr at some distance, thickness, d r, dr we talk about it as 4 pi r squared d r, so we just multiply that by the probability density.

    在某个地方的完美球型壳层,厚度,我们把它叫做4πr平方,我们仅仅是把它,乘以概率密度。

    麻省理工公开课 - 化学原理课程节选

  • And yet, we know that the shape of the s orbital is spherical.

    并且,我们知道S轨道是球状的。

    麻省理工公开课 - 固态化学导论课程节选

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