In the present representation this crystal would correspond to a parallel array of helices.在这种表示法中,晶体应相当于许多螺旋线的平行排列.Site - specific infrared dichroism enables orientational analysis of TM α - helices bundles in aligned b...
Life has its own evolutionary process.生命有其自身的进化过程。...a period of evolutionary change.演变时期The resemblance of families such as the Verbenaceae and Labiate is the result of evolutionary convergence.科的相似性,如马鞭草科与唇形科的相似性,是进化上的...