Sunday, December 24, 2023
Monday, June 12, 2023
Tuesday, November 5, 2024
问题:天然河道上的流量站根据控制面积大小及作用,区分为()、()和()。
Sunday, January 14, 2024
Wednesday, October 16, 2024
Wednesday, April 24, 2024
Tuesday, September 13, 2022
Sunday, September 10, 2023
Wednesday, November 9, 2022
问题:水文现象中,大洪水出现机会比中、小洪水出现机会小,其频率密度曲线为()A、负偏B、对称C、正偏D、双曲函数曲线
Friday, September 22, 2023
Tuesday, September 13, 2022
Sunday, December 17, 2023
Thursday, September 26, 2024
问题:利用计算机的计算器进行运算时,如果要计算一个角的三角函数值,应切换到计算器的()。A、标准B、科学C、函数D、三角函数
Wednesday, October 16, 2024
Sunday, February 19, 2023
问题:相邻两根水尺的观测范围应有()米的重合;风浪较大时,可适当放宽至()。
Tuesday, November 5, 2024
问题:LS25-3A型旋浆式流速仪不旋转、不灵活故障的主要原因。
Sunday, November 12, 2023
Saturday, June 10, 2023
Sunday, September 10, 2023