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【简答题】
用Jacobi迭代法和Gauss-Seidel迭代法求解方程组
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】After a long hard training, the athlete decided that he was going to _______the existing world record set by someone else.
A.
challenge
B.
spoil
C.
distinguish
D.
achieve
【单选题】After months of hard training, Jim is now well on the way to ____ his pilot's license.
A.
maintaining
B.
maintain
C.
attaining
D.
attain
【简答题】Their bodies were hard and m________ after much training.
【简答题】简述项目管理的知识体系包括哪些?
【单选题】After hard training for a long time, Liu Xiang ______ the records again. [ ]
A.
broke
B.
achieved
C.
invented
D.
completed
【单选题】After months of hard training, Jim is now well on the way to ___________his pilot's license. (Para. 5)
A.
maintaining
B.
maintain
C.
attaining
D.
attain
【单选题】After hard training for a long time, Lucy the records again.
A.
broke
B.
achieved
C.
invented
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