The relatively small Numbers of particles in the ring wouldn't reflect much visible light, especially out at Saturn where sunlight is weak.
人数较少的粒子环，并不反映多少可见光，特别是已在土星在阳光薄弱。
And there are 18k red gold, 18k gold, double metal and steel models for choice. 40 diamonds are inlaid on the ring of 18k gold and double metal models, with black Numbers as the steel model.
也有18 K金红金，18 K黄金，双金属和钢的选择模式。40钻石镶嵌在18 K黄金，双金属模型作为钢铁型号黑色的数字，戒指。
The four-ring reducer is a kind of new typed retarding device with many mesh points, gearing with small difference between the numbers of teeth.
四环减速器是采用多齿对啮合、少齿差齿轮传动实现减速的新型减速装置。
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