基本单元

Outside, your main job is to clean the condenser coil. The fan inside the condenser coil sucks air through the fins, and as a result, pulls dirt and debris with it.

大多数中央空调是由两个基本部分组成的：一部分是室外单元，蒸发器位于中环附近的炉管是在主页和室内单元的旁边。

In the finite spring element ,the translation and rotation of arbitrary points of an arbitrary-shaped element is taken as the basic unknown,the action of the virtual spring mesh between the elements is then used to evaluate the deformation energy within the elements.

有限弹簧元以任意形状单元的任意点的平动与转动位移作为基本未知量，用单元间虚拟弹簧网的作用功评价其内部变形能，在模拟非均质、非连续性的材料或结构的受力过程时具有较好的应用前景。

With respect to phonetics, Distinctive Features for the phonetic syncopation of spatial information are extracted based on Bertin's retinal variables. The importance of geographic reality, cognitive laws and geometric laws in the syncopation is pointed out following the thorough inspection of the physical characteristics of spatial information and a phonetic hierarchy of phoneme、 phoneme combination is proposed after the summarization of different methods of syncopation in Psychology, Pattern Recognition, Mathematic Morphology and Cartography, which provides linguistic interpretation for cartographic symbol design and understanding. With respect to the property that map symbol is represented as the combination of attribute and geometry in digital form of spatial information, suprasegmental phoneme as unit is proposed which deals with the high level phonetic units and their structure with the bend of curve and the simple area of complex area as primitive.

在语音结构方面，基于Bertin的视觉变量，提取了产生空间信息语音切分的区别特征；对空间信息的物理特征进行了详尽分析，指出了地理真实、认知规律和几何规律在语音切分中的重要作用；在总结心理学、模式识别、数学形态学和地图学等相关切分理论的基础上，提出了空间信息音位系统以及音位组合规律，为地图符号设计与理解提供了语言学解释；针对地图符号通常在空间信息中表现为属性和形态相结合的特点，提出在超音段音位层次上重点关注以线切分单元——弯曲和复杂面切分单元——弯曲构成的简单面为基本元素的语音高级层次及其结构。

Connect down the folio pass the steady pressing the design proceeding of the unit electric circuit of the power supply to expatiate detailedly with explain, pass the large quantity electric circuit diagram to proceeded the elucidation with writing to the work principle of the unit electric circuit, combine to introduce the MC7107 A/ D transformation machine internal composing, lead the feet function and its the basic principle that proceeding convert.

接下来对开关稳压电源的单元电路的设计进行了详细的阐述和说明，通过大量电路图和文字对单元电路的工作原理进行了说明，并介绍了MC7107 A/D变换器的内部构成、引脚功能以及其进行转换的基本原理。

The main objective of this dissertation was to develop methodologies with capability of engineering application for simulating flow in fractured rock using discontinuum models. The study work includes three parts. In the first part, numerical methodology of three-dimensional discrete fracture network model casing on hybrid BEM-channel was presented, and the technique for improve the model's computing efficiency was also studied. Firstly in this part, computer simulation methodology based on the Baechermodel for generating network of discrete fractures was presented, which includes the follow details: probability distributions of fracture density,orientation, trace length, size, and aperture and estimation of their statistical parameters; stochastic models of fracture network; Monte-Carlo's simulation method; numerical simulation procedure and technicality.

给出了离散裂隙网络模型所依据的基本假定；发展了基于Baecher模型的离散裂隙网络计算机随机生成技术：详细地推导了单裂隙渗流和多裂隙相交网络渗流的边界单元法公式，发展了离散裂隙网络中稳态渗流的边界元数值技术，并且讨论了相关的具体数值技术细节，如角点的处理方法，单元的自动剖分等：描述了混合边界元—管流模拟方法及其数值实现；研究了裂隙网络的简化方法，并针对裂隙网络边界元法的特点提出了一种改进的分块三角分解法。

Based on the theory of tidal flow and sediment motion, a 2-D depth-integrated mathematical model for the Jiaojiang Estuary is developed by using explicit scheme of finite difference on the triangle elements. The results show that the rotary currents occurring in this area can be simply and effectively simulated by the model. Meanwhile, the suspended sediment concentration simulated is in agreement with the field data.

本文根据椒江口实测水文地形资料，从平面二维水流泥沙基本方程和基本理论出发，采用三角单元有限差分法对水流泥沙方程显示求解，对椒江口潮流泥沙进行了数值模拟，模型简单实用，较好地再现了具有旋转潮波性质的椒江河口水流运动特征，含沙量场也得到了基本正确的反映。

The fundamental idea is scattered the solution area as one series finite and according to the specified means element that connects together assembly .

有限单元法的基本思想是将连续的求解区域离散为一组有限个、且按一定方式相互联结在一起的单元的组合体。

Chapter 4 of this dissertation has carried out a physical simulation study about the processes of formation and laws of evolution of the fan delta in Baimiao gas field. Based on the results of the study about the geological background in this area, this paper has discussed about the sedimentation facies marks for the fan delta in Baimiao gas field, worked out a detailed proposal about the development of physical simulation experiment about the fan delta, and described in detail the general laws and major controlling factors governing the sedimentation processes of the fan delta. A detailed measurement was made about the experimental results, and a systematic comparison was made relative to the prototypic characteristics. Based on the observation and description about the experimental processes and the analyses about the experimental results, this paper has give

在本章中，指出了数值模拟研究的基本特点，给出了扇三角洲形成过程的基本控制方程和数学解法：在此基础上设计和开发了扇三角洲形回成过程的平面二维数值模拟软件，并对计算过程中所遇到的主要问题一计算速度较慢开展研究，对比了以天、旬、月为时间单元进行汁算对沉积结果的影响，研究认为，在流量无突变的情况下，可以适当增长计算的时间步长和适当放松精度要求；根据白庙气田扇三角洲的基本地质特征设计了数值模拟计算的基本条件，以月为单位，计算了扇三角洲四百年的形成过程及演化规律，并以50年为单位输出沉积结果；本章最后还对数值模拟方法及结果进行了讨论。

In this paper, the principle and formulas to evaluate the stability of slopes with ground water are introduced,the equilibriumfunctions of element have been derived consideringthe influence of the pore pressure, and the formulas of water pressure on boundaries of element are also discussed.

摘 要：讨论了地下水作用边坡稳定性分析的运动单元法基本原理与公式，推导了有孔隙水压力影响的单元静力平衡方程和单元边界水压力的计算式。

We adopt the method of 'piling-up, connecting, and putting-together' which uses 'room type module' as a basic design unit. The first step of this method is to combine from vertical space to basic objects; the second step is to use stair well to connect those basic objects from horizontal space to get series of room units; the final step is to consider both horizontally and vertically to get a complex structured house.

采用&叠&、&联&、&拼&设计方法，即采取以&户型模块&为基本设计单元，第一步从竖向空间进行组合，得到具有高度空间变化的住宅基本体；第二步从水平空间，通过楼梯间串联各基本体，得到多种形式的住宅单元体；第三步再从水平空间（也考虑竖向空间层数的变化）组合各单元体，得到一栋住宅造型多变的住宅组合体

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。