词汇	excavation step by step
释义	excavation step by step 分步开挖
随便看	random coefficient model random-coefficient model random coefficients Random coefficients model random coherence function random coil random coil conformation random-coil conformation random coiling polymer random coil model random coil molecule random coincidence random collision random color Random Coloring Problems About Vertexes random colour random columnar joints random combination random communication Random communication delays random communication satellite random communication satel lite random communication satellite system random communications satellite random comparability