Ancient civilisations grew up in fertile river valleys and the development of cities depended on the ready availability of water for both potable use and public sanitation.
富饶的河谷孕育了古代文明,城市的发展也依赖饮用水和卫生用水的可得性。
The abundance and availability of water and nutrients in a soil ecosystem determine its fertility.
土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力。
A change in climate can affect the availability of water resources, especially in the basin of the Yellow River that is already seriously water stressed.
气候变化会影响可用的水资源,尤其是黄河流域已经出现严重缺水。
The presence and availability of water also affect the ability of microorganisms to colonize foods.
水的存在和可利用率也影响微生物在食品中的繁殖能力。
The decrease in the availability of water for agriculture, coupled with the requirement for the higher agricultural productivity, means that there is no option but to improve the water use efficiency.
减少对农业的要求,结合高等农业生产率,意味着没有选择,只能提高水分利用效率。