Profesyonel çevirmenler, işletmeler, web sayfaları ve erişimin serbest olduğu çeviri havuzlarından.
研究性活动有地圈生物圈方案、地球观测飞行任务方案和世界气候研究方案,每项方案的设立都是为了积累有关地球环境不同方面的资料,如大气层、水圈、生物圈和地面。
among the research-oriented activities are igbp, the mission to planet earth (mtpe) and the world climate research programme, each established to accumulate information on different facets of the earth environment, such as the atmosphere, hydrosphere, biosphere and land surface.
20. 一种生态系统(群落生境)以其不同成分之间的一系列相互依存关系为特征,这些成分包括:大气、岩石圈及其上部的土壤圈、水圈和生物量(动植物)。
20. an ecosystem (biotope) is characterized by a series of interdependencies between their different constituents: the atmosphere, the lithosphere and its upper layers (pedosphere), the hydrosphere and the biomass (flora and fauna).