常見例句雙語(yǔ)例句Waterlogging can be a frequent natural calamity for drought crop productions.濕害(漬害和澇害)是旱作物生產(chǎn)中時(shí)常發(fā)生的自然災(zāi)害。On condition that this peasant household income generally lower in our country now, rice drought calamity becomes even more important.這在我國(guó)農(nóng)戶普遍收入不高的情況下,干旱災(zāi)害顯得尤為重要。A grey forecasting model for the calamity forecast is established in this paper by using duplex difference, and the application of this model is expounded by the forecast of drought.本文使用雙向差分方法建立了一種災(zāi)變預(yù)測(cè)的灰色預(yù)測(cè)模型,并對(duì)某地區(qū)歷年來(lái)的旱、澇災(zāi)數(shù)據(jù)進(jìn)行灰色處理,進(jìn)一步預(yù)測(cè)到旱、澇災(zāi)情將再發(fā)生的時(shí)間。權(quán)威例句Many people are malnourished and some have died from famine-related illnesses in the past three years, as drought and floods have added natural calamity to the man-made disaster of mismanaged farming.ECONOMIST: It’s good for the Koreas to talk"The drought isn't a natural disaster but a man-made calamity, " writes Zheng Fengtian of Remin University.FORBES: Magazine Article 返回 drought calamity