- 波: wave
- 痕: mark; trace
- 幅度: range; scope; extent; latitu ...
- 波痕: current drift; current ripple mark; friction marking; ri lemarks; ripple markings; ripple marks; ruffle; sedimentary ripple; swash mark; swashmark; wainess; wave mark; wave mass; wave ripple mark; wavemark; waviness
- 幅度: range; scope; extent; [古词] latitude; breadth; [数学] argument; [电学] amplitude 大幅度调整物价 readjust the prices by a big margin
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