The smaller, the smaller dimension distribution range, and the higher machining accuracy.

愈小, 尺寸分布范围就愈小, 加工精度就愈高.

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Small population size, fragmented distribution range and natural reproductive depression are the main threats.

本种居群小, 分布区片段化和自然更新能力减退.

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Despite the wide distribution range of the species, individuals are scarce in number.

本种分布虽广, 但个体数目不多.

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