河段
- 与 河段 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The amounts of Limnodrilus hoffmeisteri with high pollution resistibility increased gradually from Baihe to Huacao section, and reached a peak in Huacao section; species from Annelida, Mollusca were not found in Beixinjing and Wuninglu sections due to heavy sediment pollution; species from Oligochaeta were found again and had certain numbers in Zhejiang road section as the result of the effect of courterflow of the Huangpu River.
从白鹤至华槽断面,高度耐汙霍甫水丝蚓数量趋於增加,並在华槽断面形成明显数量高峰;北新涇、武寧路河段底质汙染严重,环节动物、软体动物消失;浙江路断面受黄浦江&逆流&,寡毛纲动物再度出现,並形成一定数量。
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The result makes clear, in the belt of 22 rivers appearance that evaluates in place, be in natural, close nature, degrade the reach of condition of natural, artificialize occupies total river to grow respectively 4.5%, 18.2%, 68.2% suffer factitious interference on the whole with river of dwell of 9.1%; wild goose more serious, be in degrade natural state.
结果表明,在所评价的22个河样带中,处于自然、近自然、退化自然、人工化状态的河段分别占总河长的4.5%、18.2%、68.2%和9.1%;雁栖河总体上受人为干扰较严重,处于退化自然状态。
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It is join Erie and an aqueduct that install rude lake, the river is winding and labyrinthian, the cloth way that state of American new York has south is much, north installs the Yang Ge of rude province to press down to Canada, full-length only 54 kilometers, altitude falls continuously from 174 meters however reach 75 meters, bizygomatic breadth of upriver reach river 3 kilometre of 2 ~, surface fall only 15 meters, current also relatively delay.
是连接伊利湖和安大略湖的一条水道,河流蜿蜒而曲折,南起美国纽约州的布法多,北至加拿大安大略省的杨格镇,全长仅54公里,海拔却从174米直降至75米,上游河段河面宽2~3千米,水面落差仅15米,水流也较缓。
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Mictyris longicarpus, Arachnoides placenta and Branchiostoma belcheri are only distributed in the sandy sediments outside the bay and in outer bay...
咸水草是感潮河段咸淡水指标种。河蚬虽是淡水种,也分布在低盐河段。
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And most of the endogenous rivers, the seasonal river ducks River was also evident, Jiaying winter blight and October each year down to the following year in May, the low-water ducks, some sections of riverbed revealed, forming numerous shoals, shallow water, deep water, the duck turned into a big river wetlands in river system, but also a large number of wild ducks therefore category Charadriiformes placing of wintering waterfowl and birds of prey, and the movement of supplies to.
和大多数上源性河流一样,鸭子河河水的季节性也很明显,夏盈冬枯,每年十月以降,至次年五月,鸭子河水位低落,部分河段河床显露,形成无数滩涂、浅水、深水区域,整个鸭子河变成一大的河流湿地系统,也因此成为大量雁鸭类鸻鹬类水鸟及猛禽的越冬地及迁徙补给地。
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The results showed that 35 species of fish in the reach from Longyangxia to Liujiaxia and the most of them were cyprinidae,which had 16 species.
研究结果表明:龙羊峡-刘家峡河段鱼类共有35种,鲤科鱼类最多16种,其次为鳅科鱼类13种。
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A flume experiment and a 2-D numerical model, TABS-2, were employed to simulate the hydraulic characteristics in fixed-bed condition. In addition, by selecting Gobioidi, Cyprinidae and Homalopteridae as the indicator species, the change of fish habitat and the habitat diversity for two different Froude number conditions were discussed.
本文针对前人研究之台湾溪流指标物种鲤科、平鳍鳅科与虾虎科三种鱼类,探讨模拟河段常流量两种不同Fr下,工法在不同排列间距对其栖地可用面积之消长情形,并配合两种栖地多样性指数共同评估工法配置之优劣。
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Therefore, systematically research on protection of headwater area of reservoir hasprofound and significant meanings.
在我国南方地区,伴随着社会经济的快速发展和城市化进程的迅速推进,许多河流的中下游河段由于点源和面源污染加剧而丧失了饮用水功能,河源区段的水库已经成为目前最重要的城市集中式饮用水供水水源。
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The main rivers are Modaomen, Venus doors, door Nai Wan, Jiti door, the tiger jumped the door, the former landscape Road, Wan Chai River Macao, Nanshui Lek, and so on, with a total length 135 km.
主要河流有磨刀门、金星门、坭湾门、鸡啼门、虎跳门、前山水道、湾仔澳门河段、南水沥等,总长135公里。
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Kyu Road to Mandalay, Irrawaddy River is the upper reaches of the river, one after another through the first 60 kilometers long canyon, 23 km of the second canyon.
圭道至曼德勒是伊洛瓦底江的上游河段,先后穿过60公里长的第一峡谷、23公里的第二峡谷。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力