未分类题
简述面向方程法的优缺点。
【参考答案】
面向方程法又称联立方程法,是将描述整个过程系统的数学方程式联立求解,从而得出模拟计算结果。可以根据问题的要求灵活地确定输......
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单项选择题
One of the origins of the festival goes back to the Chinese _________, and it was also a type of _______ in the Heian period.()
A、purification rituals, poetry meeting
B、purification rituals, friends meeting
C、business rituals, poetry meeting
D、business rituals, friends meeting
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单项选择题
Which of the following descriptions about zongzi is right?()
A、There is no difference between zongzi and jiaozi
B、There is no filling in zongzi
C、Zongzi is not only delicious but also good for health
D、We can only have zongzi on the Dragon Boat Festival
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