The effect of selection was closely related with parent characteristics. The effect of different selection methods to select protein content varied with cross types.

选择效果与亲本特点有密切关系，不同选择方法对蛋白质含量的选择效果因杂交组合类型不同而异。

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The evolutionary effect of competition on species has been referred to as "species selection"; however, this description is potentially misleading.

竞争对物种的进化效应被称为“物种选择”；然而，这种描述可能具有误导性。

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The effect on the well-being and existence of a species is just the result of the effects of selection on all the individuals of the species.

对一个物种的福祉和生存的影响，只是对该物种所有个体的选择所造成影响的结果。

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Vintage players tend to be good, because of a selection effect: If you use a cane and still have a job in the major leagues, it's usually because you can play.

WSJ: New York Yankees: Getting Old Is Nothing to Fear��Tim Marchman

Mr Heckman confronted the sample-selection problem: in terms of the examples just given, for instance, the effect on the results if the workers who answered the questionnaire differed in important ways from those who did not.

ECONOMIST: Economics focus

But both the selection bias and regular-phone-use definition might be expected to mask any adverse effect of phones.

ECONOMIST: The Interphone study: Mobile madness | The