Study of decision system on fish - farming in the pond in northwest of china 西北地区池塘养鱼决策系统的研制
2.
Contrast test of the economic benefit of the pond fish - farming modes taking the grass carp and the cyprinus carpio as the main fish seed respectively 池塘主养草鱼与主养鲤鱼模式经济效益的对比试验
3.
A study from canada says fish - farms are a threat to some populations of wild salmon , it says the danger is from sea lice , which ' re small organisms that feed on fish 加拿大一项研究表明，渔场会对某些三文鱼种群造成威胁，这种危险来自于寄生在鱼身上一种叫做海虱的寄生虫。
4.
Today eilat ' s corals are facing extinction and the colorful translucent fish are disappearing because of what environmentalists say is a lucrative fish - farm industry in the region ' s waters 然而如今，埃拉特的珊瑚群正濒临灭绝，色彩繁多、晶莹剔透的鱼儿也正在消失，环境保护主义者认为这是由于该海域有利可图的养鱼业造成的。
5.
Anping has been a community with characteristics of strong tribal heritage ; due to this heritage , the locals of anping were studious and hard working and made a living from salt production , fishing and fish - farming 安平是个部落性质很强的社区聚落，因其特殊部落性质的历史，安平人有著勤俭、朴实的性情，自古靠著制盐、捕鱼及养殖鱼瘟维生。
6.
Though some of them have developed into dormitory towns , fishing and its related ancillaries , such as boatyards , fish - farms , net - making , shrimp paste manufacture and fish - curing are still important lines of business in those areas 虽然现时部分地方已发展成为郊外住宅区，但捕鱼和与渔业相关的工业，如造船、养鱼、造鱼网、腌制虾酱和咸鱼等仍是重要的行业。
7.
The industry of aquatic farming includes ten farming plants , the main products : scallop , laminaria , oyster , trepang , abalone , sea urchins etc . the annual output value of laminaria reachs to 5000 ton , scallop reachs to 20000 ton , has a nurturing factory of integral facilities , a fish - farming plant with net box , has nurtured all kinds of childish scallop , ostracean , fish , used to the farming plants of our company and other companies , the main sorts of fish - farming with net box : flounder , yellow - fish , black - fish , weever , large edge flounder , mainly selling to japan 吨。有设施配套的水产育苗厂和网箱养鱼，培育出的各种扇贝苗牡蛎苗魁蚶苗及各种鱼苗，供全公司养殖场及沿海各养殖场使用。网箱养鱼的种类有：牙鲆鱼黄鱼黑鱼鲈鱼大棱鲆鱼，主要销往日本。
8.
The main material - solid oxygen bgranule is high science and technology product of biology which is developped recently . all kinds of colors solide granule matter . it has been immerged water for four days , which has sended out oxygen slowly . it contains abundant nourishment which can purify water , specially be used aquarium , all kinds of inclosed fishing - farming . if put it in the aquarium glass of bedroom or workroom , it has make people get fresh air 奇妙水天使是我公司研制开发的高科技产品，解决了运输问题。在密封状态下，瓶内的固体氧可维持小鱼存活3 - 4个月。待固体氧消耗完，打开瓶盖再放入一些，小鱼又可以快乐的生活了。
