Observation体现出后面的关系是客观存在的现象,所以theories建立在observation之上,在客观的现象之上建立主观的理论。理论是可驳的,要提醒自己注意下文是否对这些theories进行了反驳?
提醒:这里的negative correlation很多同学认为是负关系的意思。虽然名词的翻译不是那么的重要,但是在这里我们需要往后继续读,找出negative correlations指代的是什么?
A low number of algal cells in the presence of a high number of grazers suggested, but did not prove, that the grazers had removed most of the algae.
这句话和上句话的关系是?
解释说明negative correlation
The converse observation, of the absence of grazers in areas of high phytoplankton concentration, led Hardy to propose his principle of animal exclusion, which hypothesized that phytoplankton produced a repellent that excluded grazers from regions of high phytoplankton concentration.
此句的主干是什么?
Converse observation led Hardy to propose his principle
Converse observation的现象是什么?
Grazers少,而phytoplankton多。
和上一句形成了对比,phytoplankton=algae
这里的converse observation跟上文的observation的关系是?
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