It is necessary for warfighters to master the skills of temporary fixations.战士们必须掌握临时固定的技能技巧.In early stage, fractures were stabilized temporarily by calcaneal traction or external fixations immediately.骨折早期先予以外固定支架或跟骨结节...
从亚细胞部分制备RNA,可使专一的mRNA序列的丰度提高.Specific mRNA sequences can be enriched for by preparing the RNA from subcellular fractions.土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力.The abundance and availability of water and nutrients in a soil ecosyste...
The general trend under heaven is that there is bound to be unification after prolonged division and division after prolonged unification.天下大势,分久必合,合久必分.The controversy has arisen over the text of the preamble to the uni...