annual survival rate 中文意思是什麼
annual survival rate
解釋
年存活率-
The annual yield of grass carp covers 20 % in total output of the fresh water fish, which is fast growing and tastes delicious, besides, the forages of grass carp are various, with a lower cost of raising, however, at present, the serious diseaes of grass carp results in a lower survival rate 10 - 15 %, which cause more then billions yuan economic losses per year to the fresh water cultiuation, especially, hemorrhagic virus of carp lasts for a long period of time and features a high death rate, therefore, it " s a woed - wide problem for the aquacultural scientific researchers to discover an effective settlement, which is still under the discussion
其生長快、飼料來源廣、飼養成本低和肉味鮮美。但草魚病害多,危害嚴重,目前草魚由苗種養至成魚的成活率僅為10 - 15 ,每年給我國淡水養殖業造成數億元經濟損失。特別是病毒性的草魚出血病,流行季節長,發病死亡率高,因此,對草魚出血病的有效防治一直是世界各國水產科學工作者艱苦探索而又未能找到理想解決辦法的世界性難題。 -
An annual infusion of zoledronic acid within 90 days after repair of a low - trauma hip fracture was associated with a reduction in the rate of new clinical fractures and with improved survival
在低創傷性髖部骨折術后90天,每年給予唑來膦酸可以降低骨折再發並可以提高生存率。
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