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riv.相关的网络例句
与 riv. 相关的网络例句 [注:此内容来源于网络,仅供参考]

The riv- er′s health status can be determined through a holistic appraisal of rivers and their surrounds.Five components of the rivers health include: water quality, aquatic life, physical form, hydrology and streamside zone.Many methods and criteria are available to assess the status of river ecosystem, and this review focuses on RIVPACS,AUSRIVAS,IBI,RCE,ISC,RHS and RHP, which are classified into the pred...

阐述了河流健康状况的内涵,尝试从理化参数、生物指标、形态结构、水文特征、河岸带状况5个方面表征河流的健康状况;并从预测模型法和多指标评价法角度对河流无脊椎动物预测和分类系统、澳大利亚河流评价计划、生物完整性指数、RCE清单、溪流状态指数、河流生态环境调查、河流健康计划等河流健康状况的评价方法进行评述;在探讨美国、英国、澳大利亚、南非等国家河流健康状况评价开展情况的基础上,指出我国迫切需要构建一套适合国情的河流健康状况评价体系,从河流健康角度评价国内主要河流的生态环境质量,并为广泛开展的河流恢复项目提供基础数据和决策依据。

On the other hand, also can pull fresh water when tidewater retire drag give big talk downstream, tide is bigger, retreat more quickly, fresh water of riv......

另一方面,潮水退去时也会把淡水拖拽到下游出海口,潮汐越大,退得越快,。。。。。。

Combined with financial ratio, the RIV model is characterized by more conspicuous objectivity and verifiability.

与财务比率的结合,是该模型的重要发展方向之一。

The water for construction and daily use is mainly supplied by Huining Waterworks, but now water can be channeled from Disuo Village and Taiping Village or carried by water wagon from Yellow Riv er .

工程及生活用水主要是会宁自来水厂供给,现时可在翟所乡和太平乡引水,或用水车运黄河水,路基土石施工可考虑使用祖历河水,但桥涵不能用这种水。

First , erosion resulting from excessive deforestation in the upper reaches of the river and , second ,heavy silting which raised the riv erbed in the main channel .

第一, 过度砍伐引起的河流上游的侵蚀,第二,严重的泥沙淤积抬高了主干道的河床。

according to the riv model given by ohlson in 1995, we only need predict its future earnings and no longer forecast cash flow and dividend policy in valuating corporate stock.

根据奥尔森1995年提出的riv模型,对公司股票的估值只需预测其未来的盈利而不用考虑现金流和股息政策。

The upper surface of glacier is riv by crevasses .

冰川的上表面已裂成冰隙。

The individual number, species number and Shannon-Wiener index of lianas in ravine rain forest and riv...

因此在某些地区,可以将藤本植物物种多样性的高低作为衡量森林演替阶段的一个指标

Water quality is very significant to sustainable social-economic development of economics zone of the Yangtze Riv...

管理和保护好长江水质对长江经济带社会、经济的可持续发展具有十分重要的意义。

Meanwhile, the rationality of this case-mix grouping framework was evaluated by RIV and ROC curve.

同时利用RIV和ROC曲线对病例组合组合的合理性进行了评价,病例组合组合满足同一组合内病人的临床特征及资源消耗相似;不同组之间资源消耗有一定的差别;各组合之间病例没有重复的分类原则,说明本研究的分组是合理的。

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推荐网络例句

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。