SQL展示的这一灵活性并不总是称心的，因为形式不同但功能等价的SQL公式可以提供非常不同的性能。
This flexibility that SQL exhibits is not always desirable, because different but equivalent SQL formulations can deliver wildly different performance.
用此公式得出微增率法可用之等价条件，讨论微增率法之缺点及其改进途径。
Using this formula, we obtain the equivalent conditions for the suitable use of the increamental method, discuss the drawback of the increamental method and the way to improve it.
方差-协方差分量估计公式等价性的进一步证明。
Further Broof on the Equivalence of the Formulas of Variance-covariance Component Estimation.
在等价鞅测度框架下，讨论了在期权到期时刻具有连续红利支付的幂型股票欧式期权的定价公式。
Under the framework of equivalent martingale measures, we discuss the pricing formulas of power payoffs European options with continuous dividend at the time of maturity of the options.
应用该公式可以求出线性和等价线性化的非线性振动系统的精确稳态均值和均方响应。
By using of this formula, the accurate mean and mean square responses of a linear or an equivalent linearized nonlinear vibration problem can be obtained.
对于极小不可满足公式的子类MAX和MARG，我们证明了：其变元改名和文字改名的复杂性等价于图同构问题GI。
For the subclasses MAX and MARG of minimal unsatisfiable formulas, we show that the variable and literal renaming problems are equivalent to the graph isomorphism problem GI.
通过构造等价事件，导出了反射面精度可靠性计算公式。
By constructing the equivalent event, the formula for calculating the reliability of reflector accuracy of antenna is deduced.
在等价鞅测度框架下，讨论了(在到期时刻)期权处于实值状态时支付函数为幂型的股票欧式期权定价公式。
Via the framework of equivalent martingale measures, we derive the pricing formulas of European options with power payoffs (if the option is in the money, at the time of maturity).
在对命题逻辑代数化表示的基础上，通过解多项式方程组，对命题公式进行等价转换、演绎推理。
This research paper of proposition logic algebra in the said, on the basis of the solution of equations by polynomial, propositional formula for equivalent conversion and deductive reasoning.
探讨了实现等价替代的条件，并据此导出了当量毛细管内径和长度的精确计算公式。
The equivalent conditions are discussed and theoretical formulas of the equivalent inner diameter and length are derived from the fundamental momentum and energy equations.
在这些方法所采用的量化公式中，存在多种不同的形式，而其中有优有劣、有相互等价。
The quantization formulas used in these methods are in many different formats, whenas some formulas are better than the others and some formulas are equivalent.
通过附有条件的间接平差模型进一步证明各类方差-协方差分量估计公式之间的等价性。
In this paper, through the model of parameter adjustment with constraints among the parameters, a further proof on the equivalence of the formulas of variance-covariance components is gives.
由分析单项选择问题的信息熵入手，给出这类问题等价选项个数的计算公式，对等价选项个数的值域进行了讨论。
In this paper, formulation of the number of equivalent options is given by analyzing the comentropy of the single choice items.
本文从语构理论入手，在经典二值命题逻辑系统中给出公式的语构真度的概念，从两个不同的角度给出语构真度的等价刻画。
From the syntactical point of view, the concept of the syntactic truth degree of formulas is proposed in two-valued propositional logic system.
当解释的论域是一个固定大小的有限集合时，一阶逻辑公式的可满足性问题可以等价地归约为SAT 问题。
When the domain of interpretation is finite and its size is a fixed positive integer, the satisfiability problem in the first-order logic can be reduced to SAT.
再根据力矩等价换算公式得出加载于模型体表各点的肌力值。
Through calculation of the moment of force, we achieved the force of muscle, which was downloaded in the model.
然后运用这两个公式和相关知识点我们求得用红色和蓝色两种颜色对正方体的顶点进行不等价着色共有23种方式；
Then utilizes these two formulas and the related knowledge selects us to obtain carries on with red and the blue color two kind of colors to the cube apex is not equal colors altogether has 23 ways;
实际应用中给出一种简化算法：一边从信息表中提取差别元素构成合取范式，一边用分配律、吸收律作逻辑公式的等价变换，直接得到最小析取范式。
A simplified method is given in practice: on the one side, it extracts the differential elements to construct conjunctive normal form from the information table.
实际应用中给出一种简化算法：一边从信息表中提取差别元素构成合取范式，一边用分配律、吸收律作逻辑公式的等价变换，直接得到最小析取范式。
A simplified method is given in practice: on the one side, it extracts the differential elements to construct conjunctive normal form from the information table.
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