查询词典 be at a distance from

Modern distance learning is an important component of teaching and learning system in modern distance education.

现代远程学习是现代远程教育中教与学体系的一个重要组成部分。

In other words, Distance Learning is the result of Distance Education.

换句话说，远程学习是远程教育的结果。

The algorithm uses the RF packet only to obtain the distance differences between unknown node and beacon nodes. Then the algorithm figure out the node"s coordinates by the improved trilateration to implement the long distance, controllable accuracy, low-cost localization. Second, this paper proposes a distributed Kalman algorithm to optimize the TDOA"s error.

算法的基本思路是直接利用无线通信模块的射频分组求得未知节点到各个信标节点的距离之差，然后利用改进型的三边定位法计算出节点的坐标，对节点实施远距离、精度可控、低成本的定位。

In the process , concentrates on two sorts of Broad band mode discriminators TE0n, TE11 and TM0n (n=1,2,3 ,the research with many designs and simulations wholly includes the effect of the distributions of different radii and equal distance of holes , equal radii and equal or different distance of holes ; get important conclusions ; some discussions for the selection of the parameters and the influence on the bandwidth are brought out .

在研究中，以TE0n(n=1，2，3)， TE11和TM0n(n=1，2，3)两大类宽带模式识别器为重点，通过大量设计、模拟计算等，系统研究了不等孔径等间距，等孔径等间距或不等间距分布等对拓宽带宽等的作用并讨论了重要设计参数的选取和对带宽的影响，得出了一系列重要结论。

The emergence of electromagnetic wave rangefinder is a distance measurement method of the revolution, which ushered a new era of distance measurement.

电磁波测距仪的出现，是测距方法的革命，从而开创了距离测量的新纪元。

Influences of related parameters on the irradiation intensity and uniformity along the object surface were analyzed, such as the arrangement (in-line or staggered and the distance between tubes), the distance between the object and the burn, the tube pitch and the ratio of tubes length to radius.

利用蒙特卡罗法中的辐射分配因子计算并分析了相关参数，例如管束布置、加热距离、管间距及管长与半径比等对被加热物体表面辐照度均匀性的影响。

The modern educational technology does not mean that modern distance education in the process of teaching the use of modern information technology is not modern distance education.

内容摘要：现代教育技术不等于现代远程教育，在教学过程中使用了现代信息技术并不就是现代远程教育。

Mean Distance to Moon: The length of the Jubilee passage times 7 times 10^7 is the mean distance to the moon.

月球的平均距离为：银禧7出没时间长度10 ^ 7倍的平均距离是到月球。

Therefore, the EL spectra of (Znq_2)_4 is wider than that of Znq_2. 4._2 was synthesized. The analysis of molecular spatial structure and the characterization of material performance of_2 and Liq showed that two Liq molecules and two Naq molecules were connected by Na-O-Na bond bridges to form_2. Compared with Liq,_2 exhibits stronger rigidity in planar molecular structure, larger steric hindrance and intermolecular distance, and much smaller molecular polarity, thus resulting in much longer fluorescence lifetime, much higher fluorescence quantum efficiency, wider energy bandgap and better film formability. When used as light-emitting layer in OLED,_2 shows lower formation probability of excited dimmer and exciplex formation than Liq, thus emits bluer light with higher current efficiency than Liq. When_2 ultrathin film is used as electron injection layer in OLED, it exhibits higher current density, higher luminance, lower turn-on voltage and higher current efficiency than Liq ultrathin film for the existence of sodium ions in_2 ultrathin film. 5. The summarization the relationship between molecular spatial structure and material performance of Alq_3,(Znq_2) and Liq, lead the conclusion that the molecular spatial structure of Mq_n affects its material performance in such aspects as the rigidity of planar molecular structure, intermolecular interaction, molecule stacking mode and intermolecular distance.

制备了_2，通过对_2和Liq的分子空间结构与性能进行分析与讨论，发现_2是通过两个Na-O-Na键桥将两个Liq和两个Naq连接构成的，其分子平面结构的刚性程度强于Liq，空间位阻大于Liq，分子之间的距离大于Liq，分子极性远远小于Liq；_2的荧光寿命长于Liq，荧光量子效率高于Liq，成膜性优于Liq；_2的禁带宽度比Liq大，光致发光光谱中_2的最大发射峰较Liq发生蓝移；当_2在OLED中作为发光层时，激发二聚体与激基复合物的生成几率远远小于Liq，发的光比Liq更蓝，电流效率大于Liq；_2超薄膜中有Na离子的存在，与Liq超薄膜相比，当其在OLED中作为电子注入层时，具有更大的电流密度，更高的发光强度，更低的阈值电压和更高的电流效率 5、对上述Alq_3、Znq_2和Liq的分子空间结构与材料性能之间的关系进行了归纳总结，认为Mq_n的分子空间结构主要在分子平面结构的刚性程度，相邻分子之间的相互作用，分子堆叠的方式和分子之间的距离这四个方面影响其性能。

An automatic algorithm was used in the analysis to identify clusters of groupings of patients. We used the classical unsupervised clustering method called the Iterative Self-organizing analysis technique of DATA analysis originally introduced by Ball and Hall.25 The technique allows the splitting and merging of clusters while trying to find the "best" configuration. It therefore, requires very little a priori knowledge about the data and predefining the possible number of clusters or groups is not required. The range of possible minimum and maximum number of clusters within which the algorithm can search for an optimal configuration was determined by a procedure called the chainmap which reorders the multidimensional data in the form of a 2D distance map.26 A patient vector is randomly selected and its nearest neighbor is identified as that with the shortest distance between the 2 patients' vectors.

使用自动算法来分析鉴别患者组的聚类，我们使用经典的最初由Ball和Hall提出的的非监控聚类方法，该技术允许在寻找&最佳&形态使对聚类进行拆分和组合，他不需要对数据专门的知识和对聚类或群的可能数量进行预设，在聚类可能的最大和最小范围内，算法可以通过一个叫Chainmap的程序寻找最理想的形态，该程序记录了来自2D距离图的多维数据。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。