根据检索出的文献线索(题目、作者、出处),试举4条获取原始文献的途径。
查看答案
CBMdisc可查看主题词的树状结构,并可扩展。()
If the information in the table were converted into a circle graph (pie chart), then the central angle of the sector for Gomez would measure how many degrees?
A. 54°
B. 72°
C. 90°
D. 108°
E. 144°