Its practical goal is the efficient utilization of every method and medium of communication which can contribute to the development of the learners' full potential.
它的实际目标是：有效地使用每一种传播方法和媒体，以开发学习者的全部潜力。
This method can be applied at different stages and this is a new trial for the land utilization in development area hy proceeding environmental economical assessment.
此种方法在各种不同层次的规划设计中具有广泛的应用，用此方法来对开发区土地利用进行环境经济评价是一次新的尝试。
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