科学家们通过改变其长度、数量及链的排列，能够建造若干三维形状。
By altering the length, number and arrangement of strands, the scientists were able to construct several 3d shapes.
不过，重要的是有变化的长度中介链路在所有三个系统。
However, and importantly, there is a change in the length of intermediation chains in all three systems.
不过，重要的是有变化的长度中介链路在所有三个系统。
However, and importantly, there is a change in the length of intermediation chains in all three systems.
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