问题:如何用单断沙关系图对实测悬移质资料进行检查分析?...
Tuesday, February 20, 2024
问题:如何用上下洪峰流量过程线及洪水总量对照进行流量资料的综合合理性检查?...
Tuesday, July 25, 2023
Saturday, November 25, 2023
Wednesday, October 25, 2023
Tuesday, February 20, 2024
Thursday, February 8, 2024
问题:翻斗式雨量计要保持翻斗内壁清洁无油污,翻斗内若有脏物,可用(),不应用()。...
Saturday, November 25, 2023
Tuesday, July 25, 2023
Monday, January 2, 2023
Monday, June 5, 2023
Sunday, December 11, 2022
问题:非冰期水面蒸发量于每日()时观测一次。A、6B、8C、18D、20...
Thursday, February 22, 2024
Wednesday, October 25, 2023
问题:水文站在间测期间,出现哪些情况时,应恢复正常测流工作?...
Thursday, March 2, 2023
Monday, February 6, 2023
Wednesday, April 5, 2023
问题:注意保护自记雨量计,防止碰撞,保持器身稳定,()水平不变形。A、储水器B、自记钟C、记录笔D、器口...
Tuesday, July 25, 2023
问题:畅流期河床稳定,控制良好,并有足够资料证明水位与流量关系是()的单一曲线时,流量测次每年一般不少于15次。...
Monday, June 5, 2023
问题:冲淤现象是很复杂的,从冲淤前后()变化情况分为普通冲淤和局部冲淤。...
Friday, June 9, 2023
Thursday, June 1, 2023