请思考:如果文中说这句话的前提是:all population are driven by two categories of growth parameters, one is density-independent factors, and the other is density-independent factors. 那么作者说上面的这句话有什么用意。
93. In order to understand the nature of the ecologist s investigation,we may think of the density-dependent effects on growth parameters as the signal ecologists are trying to isolate and interpret,one that tends to make the population increase from relatively low values or decrease from relatively high ones,while the density-independent effects act to produce noise in the population dynamics.
为了能理解生态学家们所从事的研究的性质,我们可以把那些作用于增长参数的密度依赖效应视作生态学家们力图将其分离并予以解释的 信号 ,正是这一信号倾向于使种群从相对较低的数值递增,或从相对较高的数值递减;而与此同时,那些密度独立效应起到的作用则构成了种群动态变化中的 噪音 。
94. But the play s complex view of Black self-esteem and human solidarity as compatible is no more contradictory than Du Bois famous,well-considered ideal of ethnic self-awareness coexisting with human unity,or Fanon s emphasis on an ideal internationalism that also accommodates national identities and roles.
但该剧有关黑人自尊可与人类团结相融合这一复杂观点,丝毫都不比杜波伊斯的理想或法侬的强调来得更为 矛盾 :杜波伊斯提出的著名的、深思熟虑的理想是,民族的自觉可以和人类大同共存;法侬则对理想的国际主义进行了强调,而这一理想的国际主义同样也能兼容民族身份与角色。 No more than :一样不
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