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At last, the software for upper machine and lower machine is introduced.Chapter 3, on the basis of the experiment on the nano feeding control platform, the mathematic modal of drive parts is established considering that the nano feeding under large feeding force has some open air temperature random disturbance phenomenon which influences the feed precision.

第三章，首先对建立数学模型的分步拟合方法进行了介绍，接着，在实验的基础上，通过拟合的方法得出纳米级热驱动部件输入功率与输出位移的数学传递函数以及外界温度干扰与输出位移的数学传递函数，最后建立了干扰情况下的纳米级热驱动部件数学模型。

Besides, the type of forest, climatic factors and human disturbance were all taken into

另外再配合林相的组成、气候及人为干扰等因子与蝴蝶群聚作相关比较。

Additionally, this paper discusses the performance of UPFC intelligent control system based on HSIC under the disturbance on the information from the generator control unit.

此外，论文对于来自发电机控制单元的远端信息可能存在的干扰，如延时和白噪声干扰，讨论了基于HSIC的UPFC智能控制系统在干扰下的工作性能。

For instance: MCU is used as the controller, GSM as the communication component, GPS as the Global Position component, PPI as the data exchange interface with PLC controller, and they communicate through their own channels respectively without disturbance.2. According to the special function demands of the grab machine, a series of practical communications protocol has been made.

该终端以单片机作为控制器，GSM作为与外部通信部件，GPS作为全球定位信息采集部件，PPI作为与工程机械PLC数据交换接口，通过多路通信接口实现信息互不干扰传输。

There are frequent surface disturbance and severe wind erosion and gravity e...

结果表明：工业广场区水土流失轻微，但粉尘污染严重，重点是营造防污染林带；开挖区地面扰动频繁，风蚀和重力侵蚀加剧，应注重周边溯源侵蚀和崩塌的防护；待开挖区与原地貌水土流失相当，应以暂时性水土保持措施为主；而排土场是在重型机械操作下堆置而成的一种大型人工松散堆积体，是矿区水土流失治理的重点。

Besides, in order to eliminate the effect of grid voltage distortion or disturbance on output current, decoupling control is employed to further improve the quality of output current.

此外，为了消除电网电压畸变或扰动对逆变器输出电流的影响，系统中引入了电网电压前馈解耦控制，改善了系统输出电流的质量。

Disturbance caused by ground line is concerned commonly.

地线引起干扰问题，一直是人们非常关注的问题。

Anti-disturbance is introduced in filtration , electronic isolation,shield ground four ways.

从电源干扰、电磁干扰、接地错误三个方面介绍了机械电子设备中的电气干扰的来源及传输途径；从滤波、电气隔离、屏蔽、接地等四个方面介绍了具体的抗干扰措施。

At a certain range, habitat loss and its spatial structure can benefit the control of the epidemic disease, which indicates the possibility of using human disturbance in habitat as a potential epidemic-control method in conservation.(6) Not only the quantity of habitat loss but also the spatial correlations of patch types caused by nonrandom habitat loss affect the invasion and transmission of disease. More fragmented landscape (high amount of habitat loss, low clustering of lost patches) hinders the parasitic infection, which also indicates that whether the spatial heterogeneity benefits or hinders the invasion is dependent on the considered ecological process.(7) Two components of the spatial heterogeneity (the amount and spatial autocorrelation of the lost habitat) form a trade-off in determining the host-parasite dynamics.(8) Within a certain range of habitat loss, host can counterbalance the positive and negative effects, and shows a rising tendency.(9) The epidemic is more likely to break out in the prey-predator system if only a small amount of habitat loss.(10) A highly aggregated distribution of species is a common behavioral strategy when dealing with habitat loss or other environmental stresses.(11) The parasite-host/prey-predator eco-epidemiological systems have the similar mechanism with the intraguild predation systems, and the predator acts as the intraguild predation, the infected prey acts as intraguild prey, and the susceptible prey acts as shared resource.(12) Species at the highest trophic level are no longer affected the most by habitat loss, which depend not only on the biological mechanism but also on the external environmental disturbances.

随着邻体数目的增加，病毒的感染力度变得更大而且在空间上形成聚集的波形；(5)生境破坏及其空间结构在一定范围内有利于疾病的控制，这暗示人为对生境的干扰可作为疾病控制的一个潜在方法；(6)生境破坏的数量以及不同类型生境的空间分布格局都显著地影响了寄生病毒的入侵和传播，生境破碎化程度越高(高丧失斑块的数量或低聚集程度)，将越有害于病毒的入侵和传播，这暗示了空间异质性是否有益于物种的入侵依赖于所考虑的生态过程；(7)由生境破坏引起的空间异质性的两个组分之间存在负偶联关系trade-off(8在适度的生境破坏范围内，宿主种群能够平衡生境破坏带来的正负两种效应并呈现增长趋势；(9)在捕食-食饵系统中，寄生感染病毒极有可能在生境破坏量较低时爆发；(10)物种在面临生境破坏或者其它环境压力时表现出更高的聚集分布策略；(11)寄生-宿主/食饵-捕食生态传染病系统与共位捕食食物网结构具有相似的生物机制，其中捕食者扮演共位捕食者的角色，已感染食饵作为共位食饵，易感染食饵扮作共同消耗的资源；(12)位于最高营养级水平的种群对生境破坏的响应不一定是最敏感的，这不仅依赖于内在的生物机制同时也依赖于外在的环境干扰。

The feasibility of determining the pentosan in pre-extraction liquor from eucalyptus chips by using Douglas colorimetric method was discussed in this paper. The visible spectrums of xylose, glucose, mannose, galactose and kraft lignin were compared under the same color reaction conditions. The results showed that the disturbance from hexoses and lignin can be eliminated when the pentosan is identified and determined by the maximal absorption at 553nm.

摘 要：探讨了 Douglas 比色法用于测定桉木半纤维素预提取液中戊聚糖的可行性，通过对木糖、葡萄糖、甘露糖、半乳糖和木素在相同条件下显色反应后的谱图进行比较，证明利用553 nm 处的最大吸收进行测定可以排除己糖和木素的干扰。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。