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1·Such anomalies are due to the relative abundance of the isotopes or varieties of each element.

这种反常现象是由于同位素比较丰富或者各个元素比较多样化。

2·Helium's rarity on Earth and relative abundance in America are cosmic and planetary accidents.

氦在地球上存量稀少，而在美国相对丰富，这与宇宙和行星的形成过程是有关的。

3·The dinucleotide signature is the relative abundance of all 16 dinucleotides in a sequence.

二碱基指纹是指全部1 6种二碱基组合在一个序列内的相对丰度。

4·Metallicity is a measure of the relative abundance in a star of elements other than hydrogen and helium.

金属丰度是对恒星内除氢和氦之外元素的相对丰度的度量(天文学中比氦重的元素都叫金属。——译者注)。

5·The relative abundance of different nuclear isotopes in the material could reveal additional clues.

物质中不同核同位素的相对丰度能够提供更多的线索。

6·Due to the stability of feature and relative abundance of information, the latter becomes the hotspot of the research.

而由于特征的稳定性以及其具有较丰富信息的特点，基于特征的影象匹配成为了匹配研究的热点。

7·The species composition in the insect community and the relative abundance of each group were studied in the peach orchards.

研究摸清了桃园昆虫群落的物种组成、各类群的相对多度。

8·Due to lack of trees and population competition, species that are rare or with high relative abundance constitute only a small proportion.

具有较高丰富度的种类仅占很少部分，可能与乔木缺乏和种群竞争有关。

9·Fingerprint profiles were found to be consistent for the herbs acquired from different locations, but the relative abundance of peaks was varied.

指纹型材被发现从不同的地点采集草药一致，但峰的相对丰度变化。

10·The high relative abundance of the fossil planktonic algae indicates the high primary surface productivity of the palaeo-lake within the Oligocene.

文昌组浮游藻类相对丰度高，表明始新世珠江口古湖的表层水初始生产力高。