“tributary area concept”的概念、定义、翻译、参考文献-科学参考

单词	tributary area concept
释义	tributary area concept [`trib·yǝ´ter·ē ¦er·ē·ǝ ´kän´sept] ^{MINING ENGINEERING} A theory that the weight to be supported by a square coal pillar should equal the weight of the rock strata above it plus the weight of rock equal in area to one-half the size of the opening adjacent to all four sides of the pillar.
随便看	local inflow local invariance locality localization localized state localized vector localizer local level local line local loop local lunar time locally arcwise connected topological space locally compact topological space locally connected topological space locally convex space locally euclidean topological space locally finite family of sets locally integrable function locally one to one locally trivial bundle local Mach number local magnetic disturbance local maximum local mean noon local mean time

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