群叢系數 的英文怎麼說

中文拼音 [qúncóngxìshǔ]
群叢系數 英文
coefficient of association
  • 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
  • 叢 : 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Generally speaking, the high group velocity and low attenuation factor and high qr in the same area, but relatively low group velocity and high attenuation factor and low qr in the same area in china is the general distribution

    在不同周期，面波衰減系數或品質因子在整個中國大陸區域分佈是不均勻的；總體表現為高群速度分佈的區域呈現高叢和低衰減系數、低群速度分佈的區域呈現低叢和高衰減系數分佈的特點。
  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，青島百合復合種群、各局部種群內個體的分佈格局離散分佈擬合的結果符合負二項分佈；各聚集強度參數中，叢生指標）和cassie指標（二k ）均大於o ，負h項參數限）均較小，擴散系數k卜擴散型指數）和聚塊性指標（ m m ）均大於1 ，以上這些表明各個局部種群的分佈格局都為聚集分佈。
  3. There, in a series of experiments, they released each swarm to locate nest boxes they ' d placed on one side of the half - mile - long ( one kilometer ) island, which has plenty of shrubs but almost no trees or other places for nests

    他們在那裡進行了一系列的試驗，他們將每個蜂群都放飛，這樣蜜蜂就可以找到他們在小島一端半英里長的地方布置的蜂巢盒子，在那個地方有茂密的灌木叢，但幾乎沒有數也沒有其它可作為蜂巢的地方。
  4. Considering the deterioration series of populations, deterioration degrees led to morphological variations. with the increasing of grassland deterioration, vegetative tiller length and reproductive tiller length became shorter. medium sized bunch, small sized bunch, reproductive tiller percentage, reproductive tiller number were reduced

    退化系列種群的形態變異隨退化程度而異，營養枝和生殖枝長度隨著退化的加重枝條長度變短，中、小株叢減少，生殖分配減少，生殖枝數量減少。
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