例句與造句

1. The soil in copper - ore - tailings reservoir was compared with that in reference lands to find out the differences between them in physical and chemical natures and in heavy metals pollution
   通過(guò)合理選擇不同對(duì)照地，從土壤的理化性質(zhì)、被污染程度比較，為尾礦庫(kù)復(fù)墾的土壤改良提供依據(jù)。
2. In conclusion , by the setting and application of double series of reference land units , we can get reasonable classification results ; moreover , the reference land units method has some study and application values which can provide as a reference method or model for other counties in china
   總之。優(yōu)質(zhì)、劣質(zhì)雙向式標(biāo)準(zhǔn)樣地體系的建立與應(yīng)用，不僅能夠得到可靠的分等結(jié)果，而且具有一定的研究與應(yīng)用價(jià)值，可為我國(guó)縣域樣地法分等提供方法與模式參照。
3. These imply that the spatial distributions of the different grades of the arable land , classified by the reference land unit method , reflect reasonably the spatial changes of geomorphological units and soil types . the linear estimation model between comparable productions and the corresponding quality ratings of 210 sample units shows that the coefficient of determination r2 is 0 . 876 , which means that 87 . 6 % of the change of y is explained by the change of x . it is concluded that the arable land quality ratings calcul ated by the method can reflect the biologic productivities of land
   另外，利用210個(gè)樣點(diǎn)單元的標(biāo)準(zhǔn)糧產(chǎn)量( y )與其對(duì)應(yīng)樣地法土地質(zhì)量分( x )進(jìn)行線性擬合，判定系數(shù)r ~ 2等于0 . 876的含義是指y的變異中有87 . 6是由x引起，表明了樣地法土地質(zhì)量分的高低較好地反映了耕地的生物生產(chǎn)力水平。
4. It's difficult to find reference landing in a sentence. 用reference landing造句挺難的