pointlike

常见例句

• Were it not for quantum effects, a violin string could be cut in half, cut in half again and so on all the way down, finally becoming a massless pointlike particle.
  若不考虑量子效应，一条小提琴弦可以对切、对切，再对切，如此一直下去，终究会变成一些无质量的点状粒子。
• pointlike electron
  点电子
• pointlike center
  点钉扎中心
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