Many have now been subjected to scientific study, meaning that researchers have tried to see which ones work best.
许多方法至今一直是科学研究的对象，这意味着研究人员一直试图探明其中最有效的方法。
The student will migrate the scientific knowledge into new study or into the life and the work, also, will transform it into the ability, because it's one of basic goals of the scientific teaching.
学生将所学习到的科学知识迁移应用到新的学习中去或生活和工作中去，并转化成为能力，是科学教育和教学的根本目的之一。
This study will offer a scientific, handy and visual means for dam system planning and designing, improve work efficiency and save a lot of cost.
该项研究为国家黄土高原坝系规划设计与决策提出了一个科学简便、形象直观的可视化分析方法，提高了坝系规划的效率，减少成本。
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