题目内容

数值计算方法研究的核心问题可以概括为( )对计算结果的影响.

A. 算法的稳定性
B. 算法的收敛性
C. 算法的复杂性
D. 近似

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已知数 e = 2.718281828..., 取近似值 x =2.7182, 则x具有位有效数字；

How many categories of the traditional Chinese garden are there according to the text?

A. 2
B. 3
C. 4
D. 5

Which gardening theory stresses the symmetrical pattern, straight roads, regular flower beds and ponds and the carpet pattern-like lawns?

A. Chinese.
B. Arabian.
C. European.
D. Indian.

Which garden attach great importance to the central line of the buildings?

A. private garden.
B. royal garden.
C. landscape garden.
D. waterscape garden.