Carbon is needed as a reducing agent in many metallurgical operation.许多金属冶炼操作中需要碳作为还原剂.They point out inadequacies in applying criteria developed from metallurgical practice to reinforced plastics.他们指出了把冶金工业采用的断裂标准应用于增强塑...
动量可以被理解为惯性的定量表示.Momentum may be thought of as a quantitative expression of inertia.物质产生惯性的特性,还是很有价值的.The property of matter that gives rise to inertia is much more promising.除了在阻碍面前易惯性的意志薄弱.But always weak nerves in fron...
I must admit that maps obsess me...我得承认我对地图十分着迷。The isoseismal maps are valuable complements to the instrumental records.等震线图是仪器记录有价值的补充资料.They differ somewhat from bathymetric charts which are virtually topographic maps...