Based on the practical projects, authors present that the concrete with ultra-high content of fly ash has better working performance and bright application future.
通过工程实践，说明超大掺量粉煤灰混凝土具有良好的工作性能及广阔的应用前景。
They use multiple ultra-high intensity LEDs for smooth, bright lighting and unfiltered large-area precision photodiodes for better signal-to-noise ratio.
它采用多点超高亮度LED以提供柔和，明亮的光线配合无滤波大面积精确光电二极管以实现更好的信噪比。
应用推荐