词汇	回声密度
释义	回声密度医echogenic density
随便看	Multilevel heuristic Multilevel hierarchical multi-level hierarchical multilevel hierarchical approach multilevel hierarchical control multilevel hierarchical structure multilevel hierarchical system multilevel hierarchical transshipment system multilevel hierarchy multi level hierarchy multi-level hierarchy multilevel hierarchy system multi level high tonnage press multi level hoisting multi-level hoisting multilevel hoisting installation multi-level hoisting, multi-level winding multilevel image multi-level image multilevel impulse multilevel index multi-level index multi-level indexing multilevel index structure multilevel indicator