群叢指數 的英文怎麼說

中文拼音 [qúncóngzhǐshǔ]
群叢指數 英文
index of association
  • : 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
  • : Ⅰ動詞(聚集) crowd together Ⅱ名詞1 (生長在一起的草木) clump; thicket; grove 2 (泛指聚集在一起...
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. Results demonstrate that with the succession going on from herbosa shrubs coniferous forest theropencedrymion evergreen broad - leaved forest, abundance and diversity index of species, biomass and productivity of vegetation all show a rising trend prior to the formation of a mature and stable biotic climax

    結果表明:隨著草針葉林針闊混交林次生常綠闊葉林正向演替的進行,在未形成成熟而穩定的頂極落之前,物種豐富度、物種多樣性、植被生物量及生產力都呈增大趨勢。
  2. We studied its distribution pattem by using the following measures f the test for fitting to the poisson, negative binomial and neyman a distribution. at the same time, we use negative binomial parametef, dispersal index, patchiness index, cassie s index and clumping index, estimated the aggregation intensity. the results showed that the distribution pattern is typically aggregated, and the intensity of aggregation vari

    經統計分析,青島百合復合種、各局部種內個體的分佈格局離散分佈擬合的結果符合負二項分佈;各聚集強度參中,標)和cassie標(二k )均大於o ,負h項參限)均較小,擴散系k卜擴散型)和聚塊性標( m m )均大於1 ,以上這些表明各個局部種的分佈格局都為聚集分佈。
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