The spore morphology of Pteris is stable, and the difference between species is distinct , but the features of spore and sporophyte are not related.
凤尾蕨属植物孢子的形态稳定，种间差异明显，但孢子形态特征与孢子体的形态特征是不相关的。
Such assistance was essential in identifying potential dangers—poisonous species, unpredictable rivers, uncharted territories—which could mean the difference between life and death.
这种援助对于查明潜在危险——有毒物种、不可预测的河流、未知领域——至关重要，那些危险可能意味着生死之差。
That attentiveness was one of the big effects of domestication, some scientists have argued, and a clear difference between the two species.
有的科学家认为，驯化过程中取得的最大成效就是我们培养了狗的这种注意力，这也是狼与狗最明显的区别之所在。
The difference of iron deficiency induced stress reaction between different plant genotypes open a broad prospect for selection and breading of high iron efficient plant species.
植物基因型之间对缺铁胁迫的这种反应上的差异，给铁高效基因型筛选和遗传育种工作提供了广阔的前景。
Procreation characteristics decide the difference spatial pattern between those two species in small classes and the degree of aggregation of C.
生殖特征决定了明党参和峨参在小区组上分布规律的差异，结果导致明党参的聚集程度远远不及峨参。
The immunoconiplexes on erythrocytes differed between animal species, but there was no statistical difference.
而红细胞上的免疫复合物，各种动物虽有差异，但差异不显著。
The difference of gliadin maps between species shows that there exists a certain biosystematic relationship, but some differences from morphology data.
物种间的醇溶蛋白图谱差异能够反映一定的系统关系，但也存在与形态学资料不一致的地方；
Objective To identify if there are the species difference among the strains of Anopheles anthropophagus of different areas, especially between Hainan Island and the inner land in China.
目的鉴别中国不同地区嗜人按蚊，特别是海南岛与内陆嗜人按蚊间有无种型差异。
The result demonstrated that phytoplankton species complexities exist marked difference, and community constructions are different else between two reservoirs.
结果表明：两个水库水质状况明显不同，富营养化特征差异很大，浮游植物种类组成、群落结构也迥然不同。
The result also showed there was some difference in DNA content to the same ploidy between different species and different strains of the intraspecies.
同时还发现，同一倍性的种与种之间，种内各株系之间，DNA的含量有一定的差异。
According to the Jaccard similarity coefficient, the composition of the ant species all has distinct difference between primeval and secondary forests of the 4 vegetation subtypes.
从蚂蚁群落相似性系数来看，4种植被亚型的原始林和次生林蚂蚁物种的组成均具有显著差异。
By comparing the difference between estimated number of species and the number of observed species, rationality of critical sampling area for different communities were validated.
同时，根据各海拔群落观测物种数与估计物种数的差异，进一步验证了最小取样面积的合理性。
Screw machine product, while species diversity, but different brands of the difference between technology, are using smaller decide frequency compression technology, homogeneity serious.
螺杆机产品虽然品种多样，但是不同品牌之间的技术差别较小，都是采用定频压缩技术，同质化严重。
There was difference in the band of peroxidase isozyme between 2 early maturity species and so did 2 late maturity materials, the similar coefficient was 0.750 and 0.706, respectively.
早熟类2份材料的酶带有差异，酶谱相似系数为0.750，晚熟类2份材料的酶带也有差异，酶谱相似系数为0.706。
There was difference in the band of peroxidase isozyme between 2 early maturity species and so did 2 late maturity materials, the similar coefficient was 0.750 and 0.706, respectively.
早熟类2份材料的酶带有差异，酶谱相似系数为0.750，晚熟类2份材料的酶带也有差异，酶谱相似系数为0.706。
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