例句與造句

1. Land utilizes degree change in and develops to have elm open district , spirit wooden county and 3 district , county of wubao , only issue . ( 4 ) north of shanxi province land , district of loess plateau , utilize change urge factor , ecology safe policy factor whether this district land utilize the main drive factor changed , through to nature and comprehensive consideration of human factor , with the optimum economic welfare - the urging area safely of the ecology , there are 5 counties in all . ( 5 ) cultivated land , water areas , utilize area reduce gradually , field , forest land , , resident industrial and mining land used for , traffic land used for area it expands to be main variation tendency that land utilize , loess plateau of north of shanxi province , further
   （ 4 ）陜北黃上高原區(qū)土地利用變化驅(qū)動囚素中，生態(tài)安全的政策囚素是本區(qū)土地利用變化的最主要的驅(qū)動因素，通過對自然及人為因素的綜合考慮，運用模糊綜合評判法得出陜北黃土高原四種驅(qū)動力的空間分布圖，可以看出，以生存型經(jīng)濟福利驅(qū)動為主的地區(qū)，主要是榆林市東南部的7個縣；以最優(yōu)經(jīng)濟福利一糧食安全為主的驅(qū)動區(qū)在銅川市、延安市、榆林市均有，共包括5個縣、區(qū)：以生態(tài)安全一生存型經(jīng)濟福利為驅(qū)動力的地區(qū)最多，共包括12個縣；以最優(yōu)經(jīng)濟福利一生態(tài)安全驅(qū)動區(qū)，共有5個縣。
2. It's difficult to find safe policy in a sentence. 用safe policy造句挺難的