现有温室水培法为立体农场原型提供了现实基础,正为全世界的城市规划师所认可。
Existing hydroponic greenhouses provide a basis for prototype vertical farms now being considered by urban planners in cities worldwide.
纵向农场使用水耕法和空气种植法,NASA曾经研究无土栽培技术用与在太空中培育植物。
Vertical farms use hydroponics and aeroponics, soil-free growing techniques once researched by NASA to grow plants in space.
该法豁免了某些规模的农场,这些农场的产品只销往农场周围不远的地方。
The exemption covers farms of a certain size that sell within a limited distance of their operation.
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