The conventional quality control method of earth-rock dam construction is mainly based on test pits sampling. This method is difficult to meet the demands of high intensity and high mechanization of large-scale dam construction because of man-made interference and extensive management.
常规土石坝施工质量控制主要是以单元验收时的试坑检测结果为判断依据,人为因素干扰大,管理粗放,难以满足以高强度、高机械化为特点的大型土石坝工程施工的要求。
Both offer remote, sparsely populated areas with low levels of man-made radio interference, along with world-class teams of astronomers.
都可以提供遥远,远离人烟,低人为无线干扰的环境,并且都有世界级的天文学家。
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