Purpurse: To study the CT sign and clinic characteristic symptom of calculus of intrahepatic duct combined with hepatic abscess and analyze the causal relation of hepatolith and hepatic abscess.
目的是研究肝内胆管结石合伴肝脓肿的CT表现及临床特点，并探讨肝内胆管结石合伴肝脓肿发病的因果关系，为临床治疗提供重要依据。
According to the calculus relation, the internal force chart can be gained by confirming the begin points, figure shape, ending points. This method is simple and easy to be grasped.
这种方法根据微积分关系，确定曲线的始点、形状和末点，即可直接得到不同外力作用下平面弯曲梁的内力图，简捷且易掌握。
Firstly, we use actuarial survivor curve, value theory of relation marketing, and calculus thought for reference to find average channel life-span;
在模型的求解方法中，借鉴人寿保险精算学生存曲线理论、关系营销价值理论及微积分思想来求取渠道平均寿命周期；
This new textbook emphasizes mathematics thinking and the relation between calculus and real problems, and introduces mathematics software to train students' application capability.
新教材重视数学思维方法教学，注意微积分与实际问题的联系，并引入了数学软件以训练学生数学应用能力。
On the basis of the fractional calculus operator theory, the stress-strain relation of soft soil under the condition of loading with constant strain rate is proposed.
利用分数阶微积分理论提出等应变率加载情况下的软土应力—应变关系。关系式显示应力—应变之间呈乘幂函数关系。
On the basis of the fractional calculus operator theory, the stress-strain relation of soft soil under the condition of loading with constant strain rate is proposed.
利用分数阶微积分理论提出等应变率加载情况下的软土应力—应变关系。关系式显示应力—应变之间呈乘幂函数关系。
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