例句與造句

1. ( 1 ) in newly - constructed stage and early stage of reclamation , the most important factor of runoff is 30min rainfall intensity . in later stage of reclamation , the most important one is 45min rainfall intensity . and the runoff capacity is the most important influence factor to soil erosion always ; ( 2 ) on the certain degree , loosening surface has an active function to infiltration condition but not to conserve soil ; ( 3 ) the most runoff is formed on platform of stackpile and the soil erosion often happens in the slope ; ( 4 ) stone - soiled dumps have an advantage over soil at respect of erosion resistance so that soil is not adapt in covering slope ; ( 5 ) grass has a better role in conservation of water and soil than arbor in early stage of reclamation ; ( 6 ) arbor - arboret - hemp mix is the best model for conservation
   結(jié)果顯示：在未復(fù)墾時(shí)期和復(fù)墾初期， 30min降雨強(qiáng)度對(duì)徑流影響最大，復(fù)墾后期徑流與45min雨強(qiáng)相關(guān)性最強(qiáng)，而徑流量對(duì)土壤侵蝕量的影響始終最大；通過(guò)疏松地表巖土只在一定程度上改善地表的入滲條件，并不能起到保土的作用；平臺(tái)為徑流的主要形成區(qū)，而土壤侵蝕主要集中在斜坡；土石混排坡的土壤抗蝕性比覆土坡的要大得多，在排土場(chǎng)形成過(guò)程中不宜用厚層黃土覆坡；在復(fù)墾初期，純草模式水土保持效果明顯好于純喬模式。
2. It's difficult to find factor of runoff in a sentence. 用factor of runoff造句挺難的