국가별 청소년의 직업 교육 및 진로 지도 실태 비교 : 독일, 영국, 프랑스, 이탈리아, 미국, 호주, 일본

The Vocational & Career guidance

The purpose of study is that it analyzes precipitation retention effective and runoff characteristic of a slope ground roof. A flood of the multiple of a city heat island phenomenon and the upstream with sudden loss of storage of water of the soil by too much packing of earth surface and vegetation, a pitcher, and evaporation mountain capability and a lower stream of a river offers a water cycle and city ecology change. For solution of such a problem, green-tract-of-land restoration must be carried out first fundamentally.