ղСվ
ҳ
С
п
߿
ɽ̴ѧ
Ӣѧϰ
Ա
ʦѧ
百度安全验证
ز鿴
Wordĵصַ
ļ.docΪ.docĶ
ɰزǽʩ
dz顶ի־졷롶ʷ˹ɿƾ֮Ƚ
2015ҽƸԣҽִҵѧר(1)
һ꼶ϲ鷨̰
ƾѧͳѧ()д𰸽
ˮ䰴»ظ100ر-ص[1]
йг״չƷ-23ҳ
Ŵκϰ
߿ѧһܸϰ ʱټ(ʮһ) y=Asin(x+)ͼ
ӢҸſκϰ
14ҪǺ«ѧ˼̰