By comparing a portion of DNA structure across 36 different species, the team estimates that 12% of the human genome is conserved - twice the estimate based on sequence conservation.
通过对36个不同的物种的部分DNA结构进行比较，研究小组统计出约有12%的人类基因组是保守的——这是基于序列保守所统计出的数字的两倍。
There are four basic principles in high-resolution sequence stratigraphy, which are base level change, substance conservation, volumetric partition, facies differentiation.
高分辨率层序地层学有四大基本原理，即基准面变化原理、物质守恒原理、沉积物体积分配原理和相分异原理。
The amino acids sequence comparison showed that the BDNF precursor proteins of the Baiji had a 94.5-99.5% of similarity with other mammalians, indicating the high level of gene conservation.
氨基酸序列比较发现，白鱀豚bdnf前体蛋白的氨基酸序列与其它哺乳动物具有94.5 - 99.5%的相似性，显示了极高的保守性。
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