别情离恨 乐莫乐兮新相知,悲莫悲兮生别离。这种感情是黯然消魂,永恨伤心的。所以有人制作了同心永结环,象征永不分离,在别离之后把玩,却更加伤感。120-150强化打造
... toroidal coupled MWD 螺旋管耦合随钻测量系统 toroidal ring 环圈 toroidal throat 环形喉道 ...
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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.
这种时空的颗粒性源于超弦理论与环圈量子重力学的最重要差异。
This granularity emerges from what is the most important difference between the two theories.
事实上,研究环圈量子重力学的理论学家认为,物质本身不过是时空纽带扭曲缠绕而成的编织物。
Indeed, theorists working on loop quantum gravity think that matter itself is merely the result of twisting and braiding ribbons of space-time.
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