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Numerical control instructions may be provided through a keyboard on a machine control unit, in the form of a punched tape, on magnetic tape, or directly from a computer.

数控指令可通过机器控制装置的键盘，以穿孔带、磁带的方式或直接从计算机输入。

Since the tobacco enterprises mainly deal with the production and business of tobacco,the interal control for tobacco enterprises is concerned with the control of cash flow, sales,inventory,purchas and cost.

随着烟草专卖体制的改革，烟草企业正向管理规范化的现代企业模式推进，内部控制制度作为一种先进的企业内部管理制度，它在现代经济生活中发挥着越来越重要的作用。

A series of control measures were proposed, such as comprehensive pollution control, construction of decontaminated wetlands in estuarine area, construction of the ecological bank and lakeside wetland, removal of the purse net, dredging and restoring the topography of lake basin, vegetation restoration, ecological restoration and management, and so on.

提出了污染综合防治、河口强化净化型湿地建设、生态护坡与湖滨带湿地建设、湖区养殖围网拆除、清淤与湖盆形态修复、湖区植被恢复与生态修复和湖泊生态管理等一系列整治对策。

Control rods each side of pushrod transmit inputs through rotor shaft to control lever on top of main shaft and down to blade pitch horns through pitch links.

控制棒每个推杆传输通过转子轴的投入，以控制主轴

Under 140 mmol/L NO3(superscript -) treatment, putrescine in leaves were significantly lower than control, but the ratio of/Put in both leaves and roots were remarkably higher than control.

叶片中Spm和Spd及根中Spm含量在一定浓度范围内，均随NO3浓度的增加而升高，当NO3浓度高于140 mmoL/L时，其含量反而开始降低；叶片中Put含量均明显低于对照。

Setting of optimal PID parameters ; stability of control system ; quadratic form performance index ; control quality indexes

优化PID参数整定；控制系统稳定性；二次型性能指标；控制品质指标

Keywords: Setting of Optimal PID Parameters; Stability of Control System Quadratic Form Performance Index; Control Quality Indexes

图1给出了一个常见的空调DDC系统PID控制的闭环连接原理框图。它的闭环传送函数

But this may result to the control quality decline. In this paper, on the basis of fast algorithm, we used the quadratic programming form to constraint the control variable in the whole time domain.

本文在快速算法的基础上，采用二次规划的形式，对整个预测时域的控制量加以约束限制，满足约束条件，控制效果良好，且节约了计算量。

Based on BP neural network PID control, including the single neuron control, such as quadratic optimization several methods of comparison!

详细说明：基于BP神经网络的PID控制，包括单神经元控制，二次型最优化等几种方法的比较！

Based on the analysis of linear quadratic optimal system and PID control system,the paper develops a method for PID parameter optimizing,which is obtained from the principles of time-domain designs and optimization for linear quadratic optimal control system.

本文通过对基于时域状态空间描述的线性二次最优控制系统和基于输出反馈的频域PID控制系统的对比分析，提出一种由PID动态补偿网络实现线性二次最优控制的方法，仿真结果验证了该方法的合理性。

Although translator has turned from being a crystal ball by which the original culture can unrestrainedly penetrate to another crystal ball by which the target culture can freely traverse, the translator's personal embodiment, in the process of cognitive act, are still absent in translation studies. Translators are still subjects without body or simply disembodied subjects.

译者虽然由原语文化可以自由穿透的玻璃球变成了译语文化可以自由穿越的玻璃球，但译者认知过程中的个体体验在翻译研究中依然缺席，译者依然仅仅是一个没有躯体体验的主体。

Chillingly, he claimed our technology is 'not nearly as sophisticated' as theirs and "had they been hostile", he warned 'we would be been gone by now'.

令人毛骨悚然的，他声称我们的技术是'并不那么复杂，像他们一样，和"如果他们敌意"，他警告说，'我们将现在已经过去了。