Fossil evidence suggests that small and medium sized animals were more likely to survive the mass extinction than larger species.
化石证据显示，中小型动物比较大型物种更有可能在大灭绝中幸存下来。
When the biological filter bed is stably treating with domestic wastewater, shapes of biofilm and distributing characters of microorganism species on the external of medium were studied.
研究了生物渗滤床处理生活污水稳定运行时介质表面的生物膜形态和微生物种群分布特征，分析了生物膜及微生物种群的空间变化规律。
Using this medium, the same species may be grouped into species group, and it is possible to identify the names of species group directly on the plate.
应用此培养基，可以直接在培养皿中归并类似的菌种，减少挑菌的工作量。
Rice medium was used to identify the species groups of genus of Fusarium fungi selected by Komada or No. 1 selective culture medium from soil.
选择镰刀菌用驹田或植选1号培养基，在米饭培养基上划分镰刀菌种群，用试管法或盆栽作致病性测定，以检测土壤中棉花枯萎病致病菌。
Plant regeneration system of the species of genus Lolium, Poa, Zoysia, Agrostis and Festuca were established by means of solid medium culture, suspension culture, and protoplast suspension culture.
通过愈伤组织培养、悬浮细胞培养、原生质体培养等手段，对早熟禾属、黑麦草属、结缕草属和剪股颖属的一些物种已建立了较为完善的植株再生体系。
In mold-fermented brown bean, Mucor, Rhizopus, Aspergillus and Penicillium were the predominant species and their contents varied by changing the culture medium and temperature.
霉菌型的土家豆豉有毛霉、根霉、曲霉和青霉四种类型，随着培养基和温度的不同而不同。
Spore dimension was affected by types of culture medium and needle species of host.
培养基和寄主种类对孢子大小有影响。
The analysis on the investigation in the field showed that 22 species were at high degree of threat to the local biodiversity, 15species at medium degree, and 53 species at low degree.
依据在野外的调查分析发现，处于重度危害的入侵植物有22种；处于中度危害的植物有15种；
The analysis on the investigation in the field showed that 22 species were at high degree of threat to the local biodiversity, 15species at medium degree, and 53 species at low degree.
依据在野外的调查分析发现，处于重度危害的入侵植物有22种；处于中度危害的植物有15种；
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