basin and ridge of North China
ridge-ridge transform fault
diagonal ridge for hip roof，vertical ridge for gable roof
upper ridge (upper-level ridge)
basin-to-basin fractionation
East China Sea basin and northern South China Sea basin
Flood in east(west)basin and drought in west(east) basin
Mesozoic basin of the East China Sea shelf basin
plat-form-basin transitional area in Tarim basin
south basin of South Yellow Sea basin
45cm ridge after narrow row solid-seeding
Abnormality of the ridge line