单词	stepwise refinement
释义	stepwise refinement 逐步求精法
随便看	geology of Mars geology of Mercury geology of mineral deposits geology of Moon Geology of Mountains and Rivers geology of natural gas geology of nonmetallic deposit geology of North America geology of ocean floors geology of Oceania geology of oil and gas geology of oil and gas field geology of oil gas geology of orebody Geology of ore deposit geology of ore deposits Geology of orefield geology of organic matter geology of petroleum geology of planetary interior Geology of project geology of Qinghai-Xizang Plateau geology of saline deposits geology of satellite geology of satellites