But the newfound star pair is unique in that they don't swap matter as they spin, providing a "clean clock" to measure the effects of gravitational waves, Brown said.
但是这对新发现的双星非常独特，因为它们在旋转时没有发生物质交换，这就好像为我们提供了一台“准确的时钟”，使我们可以对引力波的效果进行测量，布朗说道。
I had worn the same pair of socks for three months. Whenever I took off my shoes, the smell made my head spin dizzily.
我的袜子已经三个月都没换过，不管啥时候，我一脱鞋，一阵怪味就会薰得我晕晕呼呼。
First, a model of a pair of coupled particles interacting with a Heisenberg spin chain is presented.
首先，本文提出了一个耦合粒子对与海森堡自旋链相互作用的模型。
First, a model of a pair of coupled particles interacting with a Heisenberg spin chain is presented.
首先，本文提出了一个耦合粒子对与海森堡自旋链相互作用的模型。
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