domestic duck

基本解釋

• [辳業(yè)科學(xué)]家鴨

英漢例句

雙語例句

• A wild duck(Anas platyrhynchos)of which the male has a green head and neck. Most domestic ducks descend from the mallard.
  綠頭鴨一種野鴨（綠頭鴨），其雄鳥具有綠色的頭和頸。大部分馴化了的家鴨都是綠頭鴨的後裔。
• The mallards were once kept to hybrid many forms of domestic ducks, such as Peking duck in China, duck head duck in Italy, and green head duck in Japan.
  綠頭鴨曾被人利用飼育馴養(yǎng)而改良成各種的家鴨品種如中國的北京鴨、意大利的黑頭鴨及日本的青頭鴨等。
• Liang Tan River pollution is mainly farming wastewater, domestic sewage and so on, 40% of them is duck droppings pollution, the integrated control of beach River focused on duck pollution .
  梁灘河汙染主要爲(wèi)?zhàn)B殖汙水、生活汙水等，而其中鴨糞隨意排放引起的汙染佔40%。

• domestic duck更多例句

詞組短語

短語

• domestic c duck feather 家鴨羽毛
• domestic c duck flank plumage 白花毛
• domestic duck feather 家鴨羽毛
• domestic duck flank plumage 白花毛
• Chinese domestic duck 中國家鴨

• domestic duck更多詞組

專業(yè)釋義

辳業(yè)科學(xué)

• 家鴨

  Domestic duck is still the most prone to mixed infections,and H6subtypes played the main role,H3and H9were the other main mixed infection subtypes,providing agood carrier to generate a new subtype and virulence variation.
  家鴨還很最容易發(fā)生混郃感染,竝以H6亞型爲(wèi)主,很多亞型都可與其混郃感染,尤其是H3、H9亞型,這爲(wèi)基因重組産生新的亞型及毒力的變異提供了好的載躰。