Many characteristics of light quickly change as it moves through water.
许多光的特点在穿过水时迅速改变。
The produced wall block has the characteristics of light weight, high strength and heat preservation.
所制成的墙体砌块具有质轻、高强、保温的特点。
Department of the Air Self-cooling, with a small size, light weight, heat insulation, high-grade characteristics.
系空气自冷式，具有体积小、重量轻、绝缘耐热、等级高的特点。
Objective To study mental characteristics of children with light lead poisoning.
目的探讨轻度铅中毒儿童的智力特征。
The characteristics of wool and cashmere is that they are light and warm.
羊毛和羊绒的特点就是轻盈保暖。
The characteristics of wool and cashmere is that they are light and warm.
羊毛和羊绒的特点就是轻盈保暖。
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