累积频数 meaning in English

accumulated frequency
cumulative frequency

Cumulative frequcncy distribution
累积频数分布
Cumulative frequency curve
累积频数曲线
Cumulative frequency diagram
累积频数图
The purpose of this web site is to share my experiences with workers in any country on water logging in agricultural lands , irrigation induced soil salinity , subsurface drainage for agriculture ( horizontal and vertical ) , reuse of groundwater , ground - water hydraulics , ( geo ) hydrology , rainfall and surface runoff relations , reclamation and improvement of water logged saline , salty , sodic alkaline , and acid sulphate soils , plant growth , crop production and responses as well as statistical analysis consisting of segmented linear regression and cumulative frequency distributions
描述:探讨农业耕地的水涝问题；灌溉导致的土壤盐碱化；地表灌溉；地下水的再利用；地下水水力学；雨水与水流失的关系；浅地表排水；土壤开垦及水涝，酸性，碱性土壤的改良；片段线形回归和累积频数分布的统计分析等。