The effect of yield and grain protein content with soil water content and nitrogen ( or nitrogen and p2o5 ) was described by isopleth 用极差变换将产量和蛋白质含量理论值标准化,其标准值曲线的交点即为二者的最佳结合点。
极: I the utmost point; extreme差: send on an errand; dispatch变换: vary; alternate; commutation ...压差变换器: pressure difference transducer电热温差变换器: electrically heated thermocouple极差: extreme deviation; range立体声和差变换系统: sum difference system of stereo; sumdifferencesystemofstereo全距(极差): range极差的事: pits极差分析: analysis of range; range analysis极差控制图: control chart for variables ranges; r-control chart; range chart记忆力极差: have a head like a sieve; have a memory like a sieve能见度极差: zero zero平均极差: mean range情绪极差: be in a black mood新复极差法: duncan's new multiple range method参差变异: fluctuating variation磁差变化: variation change磁差变量: change of variation公差变异度: variation of tolerance外差变频器: heterodyne converter微差变压器: differential transformer误差变量: error variance误差变异: error variance; error variation析光差变化: aberration change