V2EX water-requirement

Water Requirement

发音 Pronunciation(IPA)

/wtr rkwarmnt/

释义 Definition

water requirement需水量;用水需求。指某种作物、植物、动物或某项生产/生态过程在特定时间内为维持正常生长、功能或产出所需要的水量(常用于农业灌溉、环境管理与工程规划语境)。(在不同领域也可泛指“对水的需求量/最低用水量”。)

例句 Examples

The water requirement for this plant is low in winter.
这种植物在冬季的需水量很低。

Accurate estimates of crop water requirement help farmers schedule irrigation efficiently and reduce water waste during dry seasons.
准确估算作物需水量能帮助农民高效安排灌溉,并在旱季减少水资源浪费。

词源 Etymology

该词为复合短语:water(水)+ requirement(需求、需要量)。其中 requirement 源自动词 require(需要、要求)+ 名词后缀 -mentrequire 可追溯到拉丁语 requirere,含“寻求、需”之意。整体字面义即“对水的需要量”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • *Crop Evapotranspiration: Guidelines for Computing Crop Water Requirements (FAO Irrigation and Drainage Paper 56)*(《作物蒸散:计算作物需水量指南》)
  • Irrigation and Drainage Engineering(《灌溉与排水工程》类教材/专著中常见术语)
  • Principles of Agricultural Engineering(《农业工程原理》类教材/专著中常见术语)
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