顾名思义,环圈量子重力可以想象成一个由环组成的网。
Loop quantum gravity can be visualised, as its name suggests, as a mesh of loops.
由于伽利略用的是20倍的望远镜,而且他眼睛的状况也很糟糕,他很可能把土星的气环搞错了,并因此得出结论-土星是由一个行星和两个卫星组成的。
With his 20-power telescope and with his eyes in bad shape he might have mistaken Saturn's gaseous ring to surmise that it was formed of one planet with two moons as satellites.
这样就能解释为什么这些隆起处十分光滑而两极地区却崎岖不平了,说明他们是由细小的微粒组成的,这些微粒与在土星环上发现的很相似。
That would fit with observations that the ridges are very smooth compared with the rugged polar regions, implying they are made from fine particles similar to those found in Saturn's rings.
Benzene is a ring that's made up of six carbon atoms and six hydrogen atoms.
苯环是一个由六个碳原子,和六个氢原子组成的环。
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