industry analysts say that 2007 was the peak year for the introduction of add-on hotel fees and surcharges .

in the peak year of the bubble it topped $100bn, more than three times the amount likely to be put to work this year.

在泡沫最鼎盛的年份，流入资金最高曾达到1000亿美元，是今年可能流入网络行业资金数目的三倍多。

Or should end users be informed about their unavailability, and as a consequence, should the coverage of the dimensional model be reduced?

或者是否应向终端用户通知它们的不可用性，并且因此，是否应减小维度模型的范围？

According to the features of a greenhouse, adopting CAN bus and embedded technology, based on intelligent decoupling control algorithm including adaptive fuzzy control, a measurement and control system for intelligent decoupling control to temperature, humidity, light intensity of greenhouse was developed.

采用CAN总线与嵌入式技术，基于自适应模糊控制的智能解耦控制算法，在一定的模型误差范围内实现了对温室环境温度、湿度、光强度的智能解耦控制。

The application of transforming E-R model into relation model

模型的适用范围。E-R模型向关系模型转换的研究

This failure model is more practical, which includes the ideal actuator, the partial failure case and the outage model, respectively.

这种故障模型使用范围更广，包含了执行器正常、部分故障、完全故障等情形。

Simulation results show that it enables predictive controller to keep better control performance when the plant dynamic characteristics change and re-design of predictive controller parameters is not needed, which improves system robust performance.

仿真结果表明，控制器在对象模型一定范围内变化时仍具有较好的控制品质，不需要重新整定控制器参数，提高了系统的鲁棒性能。

State space model is used in a wide range of applications, because it can bring unobservable variables into observation equation and estimate them together to get result through the estimation of Kalman filter and smoother with powerful recursive algorithms.

状态空间模型应用范围极广，因为它能将不可观测的变量并入可观测模型，并与其一起估计得到结果，估计公式是具有强大迭代算法的Kalman滤波和平滑公式。

You must be able to identify areas of the domain model to which technology can be applied, and then design that application's high-level structure, identifying key components and performance criteria.

您必须能够确定可以应用相关技术的域模型的范围，然后设计应用程序的概要结构，确定关键的组件和性能标准。

By using the measurable process variables to design the state feedback model predictive control and the measurable disturbance to design the model predictive feed forward control, the control system performance, robustness, and disturbance rejection ability were improved considerably.

使用实测过程变量，实现状态变量反馈和可测干扰变量前馈的预测控制方法，提高控制系统的性能及抗干扰能力，增大了模型适应范围。

A Qualitative Control with Known Bounds of Model Parameters

一种基于模型参数范围已知的定性控制

Application of our model can be positioned as a secure backup system for important private files, or even a disaster recovery system for the files.

我们模型应用范围可定位为重要的私密文件的安全备份甚至是安全灾难备份。

Widening of Suitable Limits of Grey System GM ( 1,1) Model

灰色系统GM（1,1）模型适用范围拓广

Preliminary probe into cutting-out range of seepage model for two-stratified foundation in levee engineering

堤防工程双层地基渗流模型截取范围初探

The results of simulation in SIMULINK environment have showed the robust servo performance in the perturbed model.

SIMULINK仿真验证表明控制系统在允许的模型摄动范围内具有一定的鲁棒伺服性能。

The scope of this model is the system engineering architecture, including the large scale multidisciplinary pieces ( subsystems) and their interfaces.

模型的范围（scope）就是系统工程架构，包括大规模多学科的部分（子系统）以及它们的接口。

The model has wide adaptation range and may provide help for completion design and productivity prediction of directional wells.

该模型适应范围广，可用于定向井的完井设计和产能预测。

By this model, we can change the parameters dynamically according to different system states, then achieve more accurate result.

该模型适用范围较为广泛，同时能够根据系统所处的不同状态动态地改变相应评估参数，使评估结果更加准确。

These models can range from$ 200 up to$ 1500 and provide the broadest range of selection for the average person.

这些模型的范围可以从200美元到1500美元，并提供最广泛的选择一般人。

It showed that the experiment results could be reasonably predicted by this model when the test conditions were in the scope of the model establishment conditions.

试验结果表明，当试验条件在模型建立范围内时，利用模型可以对试验结果进行合理预测。

Present model has a strong applicability, and can be used to deal with more complex interface edge problems.

当前模型应用范围广泛，能够用于复杂结构的界面端部场求解。