Moreover, when A is a nondegenerate, symmetric and copositive plus matrix, the sequence converges to a solution of the problem.

此外，当矩阵为非退化对称双正加阵时，该序列收敛。

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The researchers say that the symmetric and isotropic universe should have formed from a spherically symmetric explosion.

研究者说对称的，各向同性的宇宙应该是形成于一个球对称的大爆炸中。

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If we can do that, we'll end up with a symmetric nonpolar molecule.

如果我们能这样做，我们就能得到那些对称非极性的分子。

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Also, it is cylindrically symmetric around the bonding axis, so this is how we know that it's a sigma orbital.

此外，它关于键轴是圆柱对称的，这就是为什么我们知道它是sigma轨道。

麻省理工公开课 - 化学原理课程节选

You have a symmetric molecule, and let's see.

一个非常对称的分子，再看看。

麻省理工公开课 - 固态化学导论课程节选

It makes sense to draw the wave function as a circle, because we do know that 1 s orbitals are spherically symmetric.

把波函数画成一个圆是有道理的，因为我们知道1s轨道是球对称的。

麻省理工公开课 - 化学原理课程节选

"When you see a disk that's not symmetric, it's a good indication that something might be hiding or forming in the disk, " said Dr. Quanz.

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To illustrate, consider how a quickly flowing stream forms stable eddies as it curls around a boulder, or how a snow crystal spontaneously grows its precise, hexagonally symmetric, yet idiosyncratic branches.

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After researching the European market for the last few years, Woock and Sipher discovered (and patented) a clever and deceptively simple way to neutralize their messaging overhead costs: Keep texting volume symmetric.

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