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1·What mechanisms control handedness and keep left-handedness rare?

是什么机制控制了用右手或左手的习惯并使左撇子很少出现？

2·Sporting advantage notwithstanding, therefore, the existence of left-handedness poses a problem for biologists.

因此，尽管具有体育优势，左撇子的存在给生物学家提出了一个问题。

3·Sporting advantage notwithstanding, therefore, the existence of left-handedness poses a problem for biologists.

因此，尽管具有体育优势，左撇子的存在给生物学家提出了一个问题。

4·Here, the evolutionary theory must defer to a theory based on an explicit developmental mechanism that can favor either right or left-handedness.

在这里，进化理论必须遵从一种基于明确的发展机制的理论，这种机制可以支持右撇子或左撇子的现象。

5·Here, the evolutionary theory must defer to a theory based on an explicit developmental mechanism that can favor either right-or left-handedness.

在这里，进化理论必须遵从一种基于明确的发展机制的理论，这种机制可以支持右撇子或左撇子。

6·Here, the evolutionary theory must defer to a theory based on an explicit developmental mechanism that can favor either right-handedness or left-handedness.

在这里，进化理论必须遵从一种基于明确的发展机制的理论，这种机制既可以支持右撇子，也可以支持左撇子。

7·Left-handedness has sometimes been treated as pathological.

左撇子有时被看做是病态的表现。

8·It all seems to parallel ideas about left-handedness in human cultures.

人类文明在对待左撇子的观念上似乎全是对等的。

9·You're limited by their software, their operating system, their monitor size, even their right - or left-handedness.

您会受到他们的软件、操作系统、显示器大小甚至是左右手使用习惯的限制。

10·Some researchers argue there is evidence for cases of pathological left-handedness related to brain trauma during birth.

一些研究者辩说说，有证据表白一些“病理学上的”左撇子与出生时候的脑创伤有关。

左撇子

1·Here, the evolutionary theory must defer to a theory based on an explicit developmental mechanism that can favor either right or left-handedness.

在这里，进化理论必须遵从一种基于明确的发展机制的理论，这种机制可以支持右撇子或左撇子的现象。

2·Here, the evolutionary theory must defer to a theory based on an explicit developmental mechanism that can favor either right-handedness or left-handedness.

在这里，进化理论必须遵从一种基于明确的发展机制的理论，这种机制既可以支持右撇子，也可以支持左撇子。

3·What mechanisms control handedness and keep left-handedness rare?

是什么机制控制了用右手或左手的习惯并使左撇子很少出现？

4·It all seems to parallel ideas about left-handedness in human cultures.

人类文明在对待左撇子的观念上似乎全是对等的。

5·Some researchers argue there is evidence for cases of pathological left-handedness related to brain trauma during birth.

一些研究者辩说说，有证据表白一些“病理学上的”左撇子与出生时候的脑创伤有关。