1. Now researches of 4D application are on probing phases theoretically in land reclamation of metal mine. 目前4D在金属矿山土地复垦中的应用研究在理论上处于探索阶段。
2. The objective of sand reclamation is make good casting, not to reclaim sand to a given level of cleanliness. 砂再生的目的是用再生砂生产出好铸件，而不是将砂再生到指定的干净程度。
3. To reach this target, planning and economic evaluation on reclamation engineering must be carried out to formulate a feasible scheme. 为达到这一目标，必须对围海工程进行规划和经济评价，制定出合理可行的决策方案。
英英解释
n.
1. the conversion of wasteland into land suitable for use of habitation or cultivation
2. rescuing from error and returning to a rightful course
3. the recovery of useful substances from waste products
