英语词汇preservational怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
They rejected preservational bias because a total absence of breakage in two extinct species demonstrated that the fractures were not the result of abrasion within the pits.
他们不同意保存错误，因为两个完全没有牙齿破裂的物种证明了断裂不是由坑内磨损引起。
2
This paper briefly reports the occurrence, fossil assemblage, preservational characteristics, and palaeogeography of the newly discovered Anisian Luoping Biota from Luoping County, Yunnan Province.
本文介绍了云南罗平地区新发现的罗平生物群的产出层位、生物面貌、保存特征、古地理位置及其研究意义。

单词	preservational
释义	preservational 简明释义 adj.有助于保护的网络释义短语 1 preservational characteristics 保存特征双语例句 1 They rejected preservational bias because a total absence of breakage in two extinct species demonstrated that the fractures were not the result of abrasion within the pits. 他们不同意保存错误，因为两个完全没有牙齿破裂的物种证明了断裂不是由坑内磨损引起。 2 This paper briefly reports the occurrence, fossil assemblage, preservational characteristics, and palaeogeography of the newly discovered Anisian Luoping Biota from Luoping County, Yunnan Province. 本文介绍了云南罗平地区新发现的罗平生物群的产出层位、生物面貌、保存特征、古地理位置及其研究意义。
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