梯形法则是采用梯形来估计曲线下方面积，这等同将被积函数近似为直线函数，被积的部分近似为梯形，要求得较准确的数值，可以将要求积的区间分成多个小区间。
该文给出了一些数值求积公式的渐近性质，这些公式包括求积分的矩形法则、梯形法则和抛物线法则。
This paper gives asymptotic properties of some numerical integral formulas, these formulas include rectangle rule, trapezoid rule and parabolic rule.
简要介绍了多分辨分析，用其想法修改数值积分中的梯形法则及辛普森法则的算法，并给出了一些较好的数值结。
This paper briefly reviews the definition of multiresolution analysis and then applies it to modify trapezoidal rule and Simpson s rule for numerical integration .
测体积组将鼠脑经TTC染色后，用计算机病理图象分析仪测量出梗死面积，根据梯形法则计算出梗死体积及梗死体积比。
The rat brains of the group measured volume were dyed with TTC and measured the area by computerized pathological image analyzer.
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