例句與造句

1. estimation of linear error-in-covariables models with validation data
   直線及圓弧矢量化方法的研究
2. three evaluation methods for the nonrandomized precipitation enhancement operation effects have been developed based on the regional rainfall control and meteorologit cal covariable correlation : dopple ratio analysis evaluation method using regional rainfall ten-dency control for single cloud seeding operation case; regression analysis evaluation effects on the bases of regional correlation and developing tendency of rainfall; and multiple regression analysis with meteorological and physical covariables
   本文根據(jù)區(qū)域趨勢控制和氣象-物理協(xié)變量相關(guān)設(shè)計了三套非隨機化人工增雨作業(yè)效果評估方案：個例作業(yè)區(qū)域趨勢對比雙比分析評估方案、區(qū)域趨勢相關(guān)回歸分析評估方案和氣象-物理協(xié)變量多元回歸分析評估方案。
3. It's difficult to find covariables in a sentence. 用covariables造句挺難的