- 交叠层
- overlapping: 覆盖 复叠 重叠 重叠操作; 复合; 一心多用; 重迭; 重叠，覆盖; 重叠，交错；搭接; 重叠；交错; 重叠的; 重叠交搭
- boundary: n. 边界，疆界，限界 (between);(球场)边线；界标；界限，范围，分野。 aboundary dispute 边界纠纷。 the boundary between Canada and the United States 美加国界。 boundaries on all sides 四方辐辏之所，四通八达。
- band overlapping: 频带重叠
- check overlapping: 检查重叠
- colour overlapping: 搭色
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