“free face”的概念、定义、翻译、参考文献-科学参考

单词	free face
释义	free face [¦frē `fās] ^GEOLOGY A vertical or steeply inclined layer of rock from which weathered material falls to form talus at its base. ^{MINING ENGINEERING} The exposed surface of a mass of rock or of coal. Also known as free end.
随便看	spot gluing spot group spot hover spot jammer spotlight spot net spot noise figure spot punch spot-size error spot speed spotted phyllite spotted slate spotted wilt spotter spotter-tracer spot test spottiness spotting spotting board spotting hoist spotting line spotting pistol spotting rifle spotty ore spot welding

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。