设曲线y=ax2+bx+c与曲线
在t=1处相切并有相同的曲率圆，则常数(a，b，c)=______．
参考答案：
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解析：
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商品流通企业所拥有的经营资源和经营手段，称为企业的（ ）。
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C．经营目标
D．经营方针
110. He is a man of great determination. I am sure he will succeed in the end. The underlined sentence probably means _____.
A．He is a strong-minded person.
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在t=1处相切并有相同的曲率圆，则常数(a，b，c)=______．
在t=1处相切并有相同的曲率圆，则常数(a，b，c)=______．