避开杂乱的背景，或光线过亮或过暗的色块。
Avoid backgrounds that are too busy or have very light or dark patches of colour.
咬合创伤1个月组大鼠被毛杂乱，色略黄，光泽度差，而对照组大鼠被毛顺滑，有光泽。
The ha ir of rats was tanglesome, a little yellow and poor in lustrousness in the 1- mo nth trauma group, but smooth, lustrous in the control group.
咬合创伤1个月组大鼠被毛杂乱，色略黄，光泽度差，而对照组大鼠被毛顺滑，有光泽。
The ha ir of rats was tanglesome, a little yellow and poor in lustrousness in the 1- mo nth trauma group, but smooth, lustrous in the control group.
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