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- first derived curve 一阶导曲线
- The first Derived Column transformation is named Calculate LineItemTotalCost. 第一个派生列转换名为Calculate LineItemTotalCost。
- A mark used as a superscript to indicate the first derivative of a variable. 撇号置于右上角的符号，用以标明变量的第一个导数
- That maximum, first derived in 1926 by English astrophysicist Arthur Eddington, is set by the force of radiation flowing through the hot outer layers of a star. 这个亮度极大值，是考虑穿过星体高热外层的辐射压力而得的，由英国的天文物理学家艾丁顿（ArthurEddington）于1926年首先导出。
- It first approx imates the discrete points by cubic spline and gets the first derivative of the given discrete points, then approximates the cubic spline by biarc curve. 先对离散点列用三次样条曲线插值,求出型值点的一阶导数,然后对三次样条曲线用双圆弧逼近。
- From the governing equations of the elastic plane problem and the Airy stress function, the fundamental analytical solutions are first derived and then used as the trial functions to formulate the elements: ATF-Q4a, ATF-Q4b and ATF-Q4q. 根据弹性力学平面问题的控制方程和艾雷应力函数,求出问题基本解析解,然后用其作为试函数来构造单元:ATF-Q4a、ATF-Q4b、ATF-Q4q。
- Aiming at improving the precision of acoustic passive localization by small size array, we first derived eqs. 1 through 3 to describe the relation between time delay and target location. 根据声测被动定位对声学基阵提出的要求，给出了当基阵尺寸较小的情况下，影响声测被动定位精度的关键因素。
- This paper accordingly introduces a derivative curve of waterflooding characteristics based on derivative sensitivity and presents the calculation method. 针对这一问题，基于导数的敏感性特征，引入水驱特征导数曲线，并给出相应的计算方法。
- However,the middle and late period of the pressure derivative curve is quite discrete by the direct well test data,which causes considerable difficulties of the interpretation. 但从实际应用情况来看,直接应用测试数据进行解释做出的压力导数曲线的中后期相当离散,从而对解释造成了相当大的困难。
- In other coordinates it will involve second and possibly first derivatives with respect to time. 在别的坐标系中，它除了包含对时间的二阶微商外，还可能会包含对时间的一阶微商。
- Peakon solutions have discontinuous first derivative on the peaks and can be described by Dirac function. Peakon解在波峰处一阶导数不连续;但可用D irac广义函数表示.
- By use of the derivative spectrophotometry and computer program, the 0-2 degree derivative curve graph is drawn and measuring parameter is determinated about the ephedrine hydrochloride nasal drops. 应用计算机图形分析技术结合普通（手动式）分光光度计进行导数分光光度法的测定。
- To determinate Vitamin E (VE) in liposomes,we compared first derivative UV spectrophotometry with fluorophotometry. 为测定包裹维生素E（VE）的脂质体中VE的含量，比较了荧光法、一阶导数紫外光谱法这两种方法。
- According to sine derivative curve which is put forward by langbein W B,Leopold L B,the situation of mountain river meanders in Yalujiang is analyzed,and a new solution is selection of curvature r. 通过利用拉宾和里奥普提出的正弦派生曲线理论,对鸭绿江山区河流弯道情况进行分析,探讨选取山区河流弯道水流弯曲半径新的方法,采取具有变化曲率半径的正弦派生曲线来规划航道走向,起到了优化环境的作用。
- The limit of this quotient as the time of travel becomes vanishingly small; the first derivative of distance with respect to time. 瞬时速度当运动时间小到可以忽略时,此商数的极值;距离相对于时间的一阶导函数。
- D by using the first derivative spectrum and REP, and the properest models were index(R2=0.9487)and parabola (R2=0.9392) respectively. D 是可行的;最适模型分别为指数(R2=0.;9487)和抛物线(R2=0
- A first derivative spectrophotometric method is presented for the determination of fleroxacin(FLX) in tablets,capsules and powder for rejection. 用一阶导数分光光度法测定了氟罗沙星片剂、胶囊和粉针剂中氟罗沙星的含量。
- It's known that extreme value point and inflexion point can be discussed through the first derivation, and the second derivation. 摘要我们已经知道利用一阶导数、二阶导数讨论函数极值点、拐点的方法。
- The first derivative spectrum is more correlatively with the biophysical parameter including chlorophyll density and LAI. 综合分析，孕穗期是利用高光谱遥感进行作物长势和养分诊断研究的最佳时期。
- Leaving her first job was a watershed in her life. 辞去她的第一份工作是她生活中的一个转折点。
