“这使老虎和雪豹成为了‘姐妹种’”，研究者在《分子系统学和进化》一刊中这样说。
That makes the tiger and snow leopard "sister species", the researchers report in the journal Molecular Phylogenetics and Evolution.
本身具有进化的高度保守性，同时又富含高可变区域，成为较为理想的菌种鉴定及系统学研究对象。
It itself has high conservatism of evolution and at the same it is rich in high variable area, which became the comparatively ideal object of fungus identification and systematics study.
植物核酸系统学的研究倍受青睐，因为核酸分子是最基本的进化单元，几乎不受主观因素影响。
The study of plant nucleic acid systematics has been followed with interest, because nucleic acid molecule is the most basic evolutional unit, it is not influenced by subjective factors.
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