斜坡道
Its purpose is to identify the maintenance responsibilities of some 50000 registrable man-made slopes. sloping way down to the water where ships are built or repaired.
该研究旨在鉴辨为数约五万个有记录的人造斜坡的维修责任。修造船只的坡道,此坡道斜着伸入水中。
An effective way for sustainable development of upland agricultural ecosystem& The sloping agricultural land technology ( SALT) Research the Techonology DSS of Convert Sloping Agricultural Land into Forest
山地农业生态系统持续发展的有效途径&坡地农业技术(SALT)退耕还林工程技术决策支持系统研究
Discussion is made on the principle and new sloping way and on the application of modern surveying technologies.
详细论述了山区选线的原则和放坡方法,并论述了平面线形设计及现代测量技术的应用方法。
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