常見例句Meanwhile， theregression equation was established andthe data of SST was used to make long te rm forecasting test on the yearly r unoff in the upper Yellow River.The good effect was achieved. 同時(shí)建立了回歸方程，利用海溫資料對(duì)黃河上游年徑流量作長(zhǎng)期預(yù)測(cè)試驗(yàn)，效果良好。unoff. (=unofficial) 非官方的，非正式的，非法定的，非入藥典的 返回 unoff