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- natural pond system 水塘湿地系统
- The milkfish pond system is composed of limited trophic components and operated by simple food chains. 虱目鱼养殖 池可视为一封闭、完整的生态系,由单纯的生物及食物链所组成。
- The results also showed that there was some distributing rules of pigment cells and some special pigment cells of shrimp living in natural pond. 本实验还通过认真观察对比发现了沼虾色素细胞分布的规律和一些特殊的色素细胞。
- The simulated results well reflected the effect of actual growth rate of Gracilaria tenuistipitata v. on the DIN in polyculture pond system. 其结果较好地反映了混养系统中江蓠的实际生长速率对水环境中DIN所产生的影响。
- The village is near by a semidesert.There is a natural pond in the north of the village which can be used as a little reservoir.This is a rare case in the whole area. 该村子处在半沙漠地带,村子北边有一天然水塘,可当小型水库使用,这在该区域是很少见的。
- Field and laboratory experiments were conducted to research the phosphorus adsorption by the pond sediments in the pond system in a headstream watershed. 本实验以一个源头小流域的水塘系统为例,研究了位于不同土地利用中的水塘沉积物磷吸附特征。
- Only approached to see the high temperature mountain stream is gushes out from a spring, left from the cliff upper reaches, forms one by one natural pond, resembled the straw hat. 走近了只见从泉眼处涌出高温溪水,从山崖上流出,形成一个一个天然水塘,状似草帽。
- Application of ecotypic stabilization pond system in Dezhou municipal wastewater treatment was presented,with an emphasis on engineering design parameters and characteristics of the design. 介绍了生态稳定塘系统在德州市城市污水处理中的应用情况,对工程设计参数及其设计特色作了重点介绍。
- Near the temple, a natural pond, the top Taiwan westward wait-and-see stand and saw cascading mountains, dense pine trees, lush foliage, Sunset Yejing, pegged on transit, and attractive scenery blur. 寺庙附近,有天然水池一处,站立台巅向西观望,只见山峦层叠,松林浓密,枝叶繁茂,日落夜静,月挂中天,景色迷离而诱人。
- The characteristics of the milkfish pond system were also defined in terms of theory of ecological system analysis.The results may be used for comparison with other relevant Ecopath system. 有关虱目鱼养殖之各种系统性 特徵,经由生态系统理论参数予以表达,以作为系统评估以及与其他生态系统比较之用 途。
- There is a spring gush from the ground, such as roughwan kou , water into a natural pond, do not freeze in winter, summer does not overflow, clear bottom, jump overzhu bo fish tanks, named. 有一山泉从平地涌出,粗如碗口,积水成一天然池塘,冬不结冰,夏不溢满,清澈见底,池内游鱼逐波翻跃,故名。
- As the most popular wastewater treatment technology in the world, wastewater stabilization pond system (WSPS) will cause secondary environmental pollution if the seepage system isn't treated suitable. 摘要稳定塘是目前应用比较广泛的污水处理技术,如果塘系统防渗处理不当,会导致地下水的污染。
- shrimps living in the natural pond 日本沼虾
- wastewater stabilization pond system 稳定塘
- On-stream Detention Pond System (OSDPS) 河道滞留塘系统
- Advanced Integrated Ponding System(AIPS),developed by Professor William J. Oswald,has been operated successfully for 30 years. AIPS新型稳定塘是由美国Oswald教授研究开发,并有30a成功经验的污水处理技术。
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- This paper deals with the effects of chlorobenzene (CB), 1, 2, 3-trichlorobenzene(1,2, 3-TCB) and hexachlorobenzene (HCB) on aquatic community structure (and function) in simulation 4-cell stabilization pond systems. 研究一氯苯,1,2,3-三氯苯及六氯苯对模拟氧化塘系统生物群落结构的影响及其净化机制。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- Many natural materials are becoming scarce. 许多天然原料越来越少。