XQuery被非正式地设计为可以构造XML文档，而这些XML文档是通过对输入的XML文档进行一阶谓词演算得出的。
Informally, XQuery is designed to be able to construct any XML document that can be computed from input XML documents using the power of the first-order predicate calculus.
一阶加纯滞后或二阶加纯滞后，并且提出了时滞系统的模型参考自适应控制的设计方法。
And a design method of model reference adaptive control for system with pure lag is presented.
基于此观点，我们设计了一个稀疏连接的高阶网络和另一个具有相同数目连接权的一阶神经网络，并把它们应用于太阳黑子序列进行逼近和预测。
Based on this argument, we design a partially connected higher-order network to compare the first-order one with that of almost the same number of connections.
给出了求解串联校正网络的通用方法，并讨论了一阶校正网络的特性设计。
In this paper, a general method to solve the series connection tuning network is provided, and the characteristics design of one order tuning network is discussed.
目前在网壳结构设计中，初始缺陷是按照第一阶屈曲模态的L/300（L为结构跨度），对结构施加初始变形。
At present, in the design of reticulated shells, the initial deformation of the first buckling mode(the dimension is L/300) of the structure is introduced as initial imperfection.
为避免桥梁共振，设计时应满足第一阶竖向自振频率大于车辆最大速度与车辆长度的比值。
To avoid the most dangerous resonance, the first vertical frequency of the bridge should be greater than the ratio of the maximum vehicle speed to the vehicle length in design.
以工程常见四端位移为零的振动板为例，提出一种新的压电式传感器的设计方法测量第一阶声辐射模态伴随系数。
With the examples of the pinned-pinned plate, a new piezoelectric sensor design is presented to measure the first adjoint coefficient of radiation mode.
本文研究了火箭弹自身缺陷的随机性。提出了通过合理设计发射装置一阶固有频率，克服火箭弹自身缺陷对落点散布的影响。
The paper studies the random question of rocket self-defect, puts forward a new method of reducing the effect of rocket dispersion by designing equitably the first nature frequency of launcher.
研究一类一阶非线性对象的自抗扰控制器的设计与参数整定规则。
Design and adjusting rule of auto-disturbance-rejection controller are proposed for a class of first order nonlinear plants.
采用有限元分析软件ANSYS中自带的优化设计模块中的一阶优化方法编制了APDL语言优化设计程序。
This model can also show the effect of the parameters of the wedge. By the first-order method in the optimized design module of ANSYS, the optimized design program is worded out in the APDL language.
经优选设计后，电主轴的一阶临界转速和主轴端静刚度均有较大幅度的提高。
The first order critical speed and static stiffness of the spindle increases greatly after optimization.
最后对结构进行了优化设计，优化后结构一阶固有频率提高35.7%，二阶以上固有频率提高63%以上。
The first nature frequency of the structure improved 35.7% and the second and upper nature frequencies of the structure improved over 63% after the optimum design.
该文提出一种适用于一阶或二阶加延迟系统的自校正比例-积分-微分控制器的设计方法。
A new design approach for self-tuning PID controller with parameter optimization is proposed in this paper.
初始缺陷和强度参数为设计变量，采用一阶矩法计算单元层的失效概率。
The initial imperfection and the strength parameters are considered as random variables. Ply-level failure probability is evaluated by the first order reliability method.
研究一类一阶非线性对象的自抗扰控制器的设计与参数整定规则。
According to the analysis of observing error of a secould order extended state observer, an empirical tuning rule is proposed based on theoretic deduction and simulations.
在结构优化设计计算中，一阶方法是较常用的方法，它对设计变量更加敏感，收敛速度快，计算结果更精确。
When doing structural optimization calculations, first-order method is more commonly used, because of it is more sensitive to design variables and Converge faster. The results would be more accurate.
经过适当的化简，具有 耦合的一阶 惯性模型被用于GMC控制器的设计。
Through proper simplification, the first order models with couplings are used for the GMC controller design.
本文提出了一种从正负例和背景知识学习含有约束原子的一阶谓词公式的归纳逻辑程序设计方法。
In the field of Machine Learning, this thesis is presents new method to learn constraint atoms from positive and negative examples in first-order predicate, based on developed ILP system.
为提高质子交换膜燃料电池（PEMFC）的输出性能，基于其输出功率的一阶滞后数学模型进行了二自由度PID控制方案设计（此处有删去）；
To improve the output performance of the proton exchange membrane fuel cell (PEMFC), two-degree-of-freedom (2DOF)PID control scheme is proposed based on the model of output power in this paper.
为提高质子交换膜燃料电池（PEMFC）的输出性能，基于其输出功率的一阶滞后数学模型进行了二自由度PID控制方案设计（此处有删去）；
To improve the output performance of the proton exchange membrane fuel cell (PEMFC), two-degree-of-freedom (2DOF)PID control scheme is proposed based on the model of output power in this paper.
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