較小動物群 的英文怎麼說
中文拼音 [jiàoxiǎodòngwùqún]
較小動物群
英文
meiofauna- 較 : Ⅰ動詞1 (比較) compare 2 [書面語] (計較) dispute Ⅱ副詞(比較) comparatively; relatively; fair...
- 小 : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 群 : Ⅰ名詞(聚在一起的人或物) crowd; group Ⅱ量詞(用於成群的人或物) group; herd; flock
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Thirdly, resorting to cooperation - competition model of biomathematics, this thesis proposes a new co - evolution model. simulation results are shown to verify its effect and practicabilitv. last, standard methods for optimizing neural netvvorks are easily trapped into local optimization, and unable to adjust the structure of neural networks, thus their application is limited to certain extent
本文主要驗證和設計適應性操作運算元和小生境方法保持群體多樣性的能力,實驗表明兩種方法都能較好地達到目的;利用生物合作競爭模型設計協同演化來動態地改變群體規模,實驗表明該模型是有效的;人工神經網路是得到越來越廣泛應用的學習系統,但是由於學習演算法存在一定的缺陷,如易於陷入局部極值,難以調整網路的結構等,使神經網路的應用受到一定的限制。The deep sea typically has a sparse fauna dominated by tiny worms and crustaceans, with an even sparser distribution of larger animals
深海里的動物群以零散的小蟲和甲殼綱動物為主,此外還有些分佈更為稀疏的較大動物。Dna fingerprints of 13 colonies of 5 strains, including 5 balb / c, 2 balb / c - nu / nu > 4 c51 1 cba / n and 2 dba / 2 from 7 factories of laboratory animal in the beijing and xi ' an areas, were studied with jl - 2 mulilocus probe and southern hybridization and the author compared the dna fingerprint with the biochemical marker enzyme method. it indicated that the fingerprint had 17 - 22 distinguishable fragments and these fragments had high polymorphisms. the fingerprints of balb / c and balb / c - nu / nu, which were abnormal at the hbb site with the biochemical marker enzyme method, was different from their normal groups
實驗採用jl - 02多位點探針對北京和西安地區較大的7家實驗動物生產供應單位的5個balb c群, 2個balb c - nu nu群, 4個c _ ( 57 )群, 1個cba n群和1個dba 2群近交系小鼠進行了dna指文圖分析,並與常規生化標記分析法進行了比較,結果顯示:所產生的dna指紋圖的圖帶數均在17 - 22條,具有良好的多態性。
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