1) water frequency calculation
水位频率计算法
2) hydrologic frequency computation
水文频率计算
1.
In hydrologic frequency computation,due to the randomness of data and the summarization of processing te.
文中认为,水文频率计算时,由于资料的随机性和处理方法上的概化性,故用任何计算方法得到的结果,具有不同程度的不确定性,只能作为估计的初值,需通过时空上综合平衡,再经合理性分析和调整后,才能取用。
2.
It is emphasized on the importance of comprehensive balance and rationality analysis of statistical parameters and design values in hydrologic frequency computation.
强调了水文频率计算中对统计参数和设计值进行综合平衡和合理性分析的重要性。
3) hydrological frequency calculation
水文频率计算
1.
In order to adapt to a changing environment demand for hydrological frequency calculation,the hydrological frequency calculation principle of inconsistent annual runoff series was proposed based on time series analysis,including an assumption precondition and a general method.
为了适应变化环境对水文频率计算的要求,提出了基于时间序列分析的非一致性年径流序列的水文频率计算原理,包括假设前提和一般方法。
2.
Due to errors of hydrological frequency calculation,the deviation between the estimated value and actual value causes the design of water conservancy projects to be insecure.
在水文频率计算中由于误差的存在,使得估计值与实际值之间存在偏差,这种偏差导致在水利工程设计中产生了不安全因素。
4) flood frequency calculation
洪水频率计算
1.
Therefore, the selection of variabilit y coefficient is the focus for our future flood frequency calculation.
把握好变差系数的选择,是今后洪水频率计算研究的重点。
5) monthly frequency computation method
逐月频率计算法
1.
A new monthly frequency computation method for instream ecological flow;
河流生态径流计算的逐月频率计算法
6) frequency-response approach
频率响应计算法
补充资料：地下水水位观测(见水位观测)
地下水水位观测(见水位观测)
d ixiashui shuiwei guanee地下水水位观测见水位观测。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条