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- total water requirement 总需水量
- Of the total water resources, 97.5 percent is salt water, not drinking. 在全部水资源中，97．5%25是咸水，无法饮用。
- Then, the remote sensing data of EOS-MODIS are used to revert the total water vapor content. 同时选取EOS-MODIS遥感资料近红外波段，反演整层大气水汽含量。
- Ecological and environmental water requirement has been one of the research foci of eco-hydrology in the world. 摘要生态环境需水是国内外生态水文学研究的热点问题。
- In 2001, the total water supply in urban areas is 46.6 billion m3, 300 million m3 less than the previous year. 2001年，城市供水总量为466亿立方米，比上年减少3亿立方米；
- The corresponding problems of ecological water requirement for vegetation construction in semi-arid grasslands are studied from microcosmic angle. 摘要重点从微观角度研究半干旱草原区植被建设生态需水相关问题。
- Even then, the total water flow will be a relative trickle by U.S. standards, perhaps 11 gallons per minute. 但即使到那个时候，总供水量也只是美国人眼中的涓涓细流.;可能每分钟有11加仑。
- When flowers rest period, grow tend backwater condition, water requirement is very few, should control strictly water. 花卉休眠期时，生长趋于停滞状态，需水量很少，应严格控制浇水。
- The Ankang Prefecture was taken as example to calculate ecological water requirement. 本文以安康地区为例,计算现状年生态需水量为61。
- In 2001,the total water supply in urban areas is 46.6 billion cubic meters,300 million cubic meters less than the previous year. 2001年，城市供水总量为466亿立方米，比上年减少3亿立方米；
- Finally, the minimum eco-environmental water requirement for wetlands was calculated. 研究保护天津湿地所需的最小生态环境水量。
- The seedling biomass,TWUE and total water consumption of foxtail millet were also the biggest under each treatment as compared with switchgrass and Old World bluestem. 各水分处理下谷子苗期总生物量、蒸腾效率和耗水量均显著大于白羊草和柳枝稷;
- After that,take Yanan city for example to calculate two kinds of ecological water requirement in the year of 2000. 以西北黄土高原地区延安市为例,分别计算了2000年来水条件下的河道内及河道外生态需水。
- The total volume of water required to irrigate a given area in order to cultivate a specific crop until harvest. 灌溉率用来灌溉指定地区特定农作物从栽培到收获时期内的用水总量
- The total water quantity of the earth is about 13.86 hundreds of millions km3, the ocean salt water is 94% , and the fresh wa ter is 6% . 地球总水量约为13.;86亿km3;海洋咸水约占总水量的94%25;淡水约占总水量的6%25。
- Getting your sea legs in this rough water requires con-centration. 在大浪中不晕船，需要集中精神。
- Furthermore water requirement of normal consistency,setting time and morter strength of the samples were... 并对有效助磨剂的合适掺量进行探索。
- The results indicate that orifice efficient water head is total water head and is not hydraulic head for uniform discharge along porous pipe. 结果表明，对沿途均匀泄流管道来说，其作用水头不能仅以压头为计算依据，而应以总水头为准。
- The content of total water and the free water was relatively low in red leaves, faworable to the syrcthesis of anthocyanin. 在红色叶片中的自由水和总含水量相对较低，这可能有利于花色素苷类物质的合成。
- The spatial variability of regional water requirement(WR) and water deficient ratio(WRD) are studied with geostatistics. 应用地统计学方法研究区域需水量和缺水率的空间变异性。
