查询词典 four dimensional

Here we report the three-dimensional (3D) crystal structures, with resolutions between 1.65 and 2.5 angstroms, of the four homologous proteins that are thought to be the major shell constituents of a functionally complex ethanolamine utilization microcompartment.

核心提示：专题：Science报道尽管许多生物性的屏障和区隔分界是由基于脂质的膜所形成的，但人们越来越多地了解到，在细胞内还有基于蛋白质的区室可作为与外界隔绝的环境。

Based on Schmidt's (1993) Noticing Hypothesis and Bialystok's (1993) Two-dimensional Model, our study attempts to answer four research questions: Do learners'pragmatic awareness and the pragmatic appropriateness of their production of English requests improve after instruction?

以Schmidt (1993)的&注意假设&和Bialystok (1993)的&双维模式&为理论基础，本实验回答了四个研究问题：(1)语用教学能否提高学习者对&请求&的语用意识及语用得体性？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。