The coal spontaneous combustion in the goaf is one of the main coal disasters.采空区煤炭自燃火灾一直是我国煤矿的主要灾害之一....ecological disasters, such as the destruction of rainforest.雨林破坏等生态灾难The reinsurance market has been bloodied by di...
Natural disasters have obvi-ously contributed to the continent's economic crisis.很显然,自然灾害也是造成该大陆经济危机的原因之一。The accident has echoes of past disasters.那起事故仿佛是过去灾难的重现。disasters such as floods and famine水灾和饥荒这一类灾难...
天文学家们过去一直感到奇怪,为什么只有土星有光环.Astronomers used to ask why only Saturn has rings.“土星族”飞行器可以分为三类或三组.The Saturn family of launch vehicles falls into three types or groups.数值例子大多数取自“土星V”飞行器的研究.Numerical examples are mostly taken ...
如果苏伦一定要去访邻会友,她可以步行嘛.If Suellen wanted to go visiting she could go afoot.会长谢庆土出席登嘉楼福建会馆庆祝成立61周年纪念暨庆贺会友荣誉勋衔联欢晚宴.Attended the 61 st Anniversary Dinner of Terengganu Hokkien Association.以车会友,其乐无穷!It's extremely interest...
Lithium has some chemical behavior that resembles the chemistry of Mg.锂的某些化学行为类似于Mg的.The salt lithium chloride is hygroscopic.氯化锂盐具有吸湿性的.Hydrazine perchlorate and lithium perchlorate form two eutectics.过氯酸肼和过氯酸锂形成两种低共熔物....