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- The smell of river water permeated the air. 空气中河水的味道弥漫。
- quality of river water 河水质量
- Based on the fuzziness and impreciseness of river water environmental system, triangular fuzzy number is utilized to denote water quality information. 摘要基于河流水环境系统的模糊性、不精确性，采用三角模糊数来描述和表征水质信息。
- LI Ru-zhong,WANG Chao,WANG Jia-quan.Study on Simulation and Prediction of River Water Quality Based on Unascertained Information[J].Advances in Water Science,2004,15 (1):35-39. [1]李如忠;王超;王家权.;基于未确知信息的河流水质模拟预测研究[J]
- LI Ruzhong,QIAN Jiazhong,WANG Jiaquan.Study on theory and methodology for unascertained risk analysis of river water quality[J].Scientia Geographical Sinica,2004,24(2):183-187. [18]李如忠;钱家忠;汪家权.;河流水质未确知风险评价的理论模式研究[J]
- The optional management plan presents the recommendations of demarcation of river water and ground water quality for supplying in order to improve the utilization ratio of water resources. 在优化管理方案中提出,对河水和地下水实行分质供水,以提高水资源的利用率。
- Based on the unascertained characteristic of river water quality system, the parameters of water quality model are defined as the unascertained numbers by using unascertained mathematics theory. 摘要基于水质系统的未确知性，运用未确知理论将瞬时排污情形下河流水质模型参数定义为未确知数。
- The trend of river water quality models(RWQMs) developed from certainty to uncertainty was defined,and it was pointed out that the most of existing RWQMs are based on the Fick's law of diffusion. 明确了河流水质模型由确定性向不确定性发展的趋势,指出现有河流水质模型大多建立在菲克扩散定律基础上。
- Based On the derived random state model of river water quality syst-em,Tamura filter was presented to estimate BOD concentration only using DO concentration,which can be measured immediately. 本文基于导出的河流水质系统随机状态空间模型，提出了以能够即时测定的DO浓度实时估计不易测定的BOD浓度的塔穆勒滤波方法。
- Based on the unascertained characteristic of river water system,water quality model for one-dimensional sudden pollutant discharged is established by using unascertained mathematics theory. 基于河流环境系统信息的未确知性,运用未确知数学理论,建立了一维河流突发性排污的水质模型。
- Apart from slight pollution in several sections of rivers,the water quality of the region's rivers and lakes is good. 水体除个别河段轻度污染外，全区江河湖泊水质良好。
- Due to heavy pollution in Yellow River water, the finished water quality of most dinking water works taking Yellow River water as source water but using conventional treatment process, is not ideal. 摘要由于黄河水受污染严重，而以黄河水为源水的自来水厂，多数目前仍然沿用以除浊为目的的常规处理工艺，其出水水质不甚理想。
- The condition or quality of being pure or chaste. 纯洁纯洁或贞洁的状况或者品质
- It indicates that: The eco-physical system composed by Potamogeton crispus system can reduce TN,TP load of river water taking sediment. 利用冬春季沉水植物菹草构建的阶梯式水生植物系统研究了其对水体悬浮泥沙及氮、磷污染物的净化效果。
- He possesses the quality of inspiring confidence. 他有本事能让别人信任他。
- Large areas of riparian wetlands played important roles in maintaining better water quality of rivers in the small Sanjiang Plain, China. 河岸大面积连续分布的湿地对维持河流良好水质更为重要。
- The state or quality of being null. 无效无效的状况或性质
- As he pondered over the dimly discernible piece of news he had received, he smelled the smell of river water that has been dyed a transparent black by humus soil. 他琢磨着那一丝缥缈的消息。 他闻到了一股被腐植质染成清黑色的河水的气味儿。
- The state or quality of being irrational. 不理智不理智的状态或性质
- The state or quality of being libertine. 放荡放荡不羁的状态或性质
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
