Hydrological monitoring and flood early warning and forecasting system.水文和洪水监测预警预报体系.In this system, the mode of hydrological information transmission is very important.水情信息的传输方式是该系统的重要部分.Period superposition forecasting...
No abnormity was found in the metallographical analysis and hardness test.金相和硬度分析未发现明显异常组织和硬度分布.The geometrical characteristics analysis of grain is the important base of metallographical analysis.晶粒的几何特征度量是金属性能分析的重要基础.T...