镜像模型,焊接中间的点,然后移除中间的线。
Mirror the model over, weld the middle points, and then remove the middle edge (Fig. 09).
在当前有关物理学的“标准模型”中,包括质子、电子、中子以及大量更怪异粒子在内的每一种粒子都有其反粒子“镜像”。
Thecurrent "standard model" of physics holds that each particle -protons, electrons, neutrons and a zoo of more exotic particles - has itsmirror image antiparticle.
它的模型有一个双面镜像系统。该系统直接把阳光投射进一块小型(1平方厘米大小)光伏电池的光学感应棒上。
Its model involves a two-mirrored system that directs sunlight down an optical rod onto a small (1 square centimeter) photovoltaic cell.
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