“采场冒顶”的概念、定义、翻译、参考文献-科学参考

单词	采场冒顶
释义	采场冒顶 Encyclopedia 工学矿井地压灾害释 roof strata collapse of working face采场冒顶采场或巷道等地下空间上部岩体或矿体与原始岩层或矿层脱离，并在重力作用下垮塌、塌落、陷落的过程或现象。简称冒顶。是地下矿山常发、多发灾害之一。
随便看	principal minor principal minor array principal minor determinant principal module principal moment principal moment of inertia principal net of a mapping principal net of the flow principal neutral point principal nilpotent orbit principal norm principal normal principal normal complex principal normal form principal normal line principal normal plane principal normal section principal normal surface principal normal vector principal number principal nutation principal object principal offender principal of land laws principal of least dissipation of energy

科学参考收录了854744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。