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The process of writing patterns of data on top of the data stored on a magnetic medium for the purpose of obliterating the data.

为永久删除数据，在已经记录数据的磁介质上再写入其他样式数据的过程。

This paper briefly introduced the progress in time-lapse seismic as shown from the 76th SEG annual meeting. Topics include the repeatability of time-lapse seismic, in which we discussed the effects of shooting and receiving environments on repeatability, the effects of the cable length and its positioning accuracy and stability on repeatability, and the data processing techniques to improve repeatability, new insights into time-lapse seismic, in which we described tube wave time-lapse response, spectral decomposition, and time-lapse VSP monitoring, and problems related to application of time-lapse seismic technology. The comprehensive applications of time-lapse seismic and other geophysical data were demonstrated with the real data from an oilfield. Finally, we summarized the difficulties in using time-lapse seismic and outlooked its future trend.

简要介绍了第76届SEG年会反映的时移地震技术的进展，主要内容有：时移地震的可重复性，讨论了激发、接收环境对可重复性的影响，海上拖缆长度、定位精度及排列稳定性对可重复性的影响，以及通过数据处理技术提高数据的重复性；时移地震技术的新领域，讨论了管波时移地震监测、谱分解技术和时移VSP监测等；简要分析了时移地震技术应用中应该注意的问题，并通过时移地震在某个油田的实际应用，讨论了时移地震技术与其他地球物理手段的综合应用；最后分析了时移地震技术目前存在的问题，展望了其发展趋势。

This is a data-bindable version of ObjectListView which accepts various kinds of data sources and populates the list with data from that source.

这是一个数据绑定的ObjectListView版本，接纳各种数据源，并用填充从源数据列表。

It is necessary to form a data file by modifying several data files of small size parts or to form two data file by portioning a large size part,in order to raise the efficiency that RP machine process small and large size parts.

为了提高成型机加工小零件和大尺寸零件的加工效率，需要将多个小零件的数据文件形成一个数据文件，以及将一个大尺寸零件的数据文件分割成两个数据文件。

Forecast conclusion from prognosticating model abot river water quality may conflict with existing data of environmental monitoring,because it doesn't import existing data of forecast point In allusion to this condition, to import parameter of existing data may make forecast conclusion approach fact

河流水质预测模型使用的参数未引入预测断面现状监测结果，使预测结果可能与现状监测结果发生矛盾。针对这一情况，通过对预测模式的推导转化，在模型中引入污染源现状源强和预测断面现状监测浓度，将预测结果同现状监测结果联系起来，使预测结果更贴近实际

Rased on the high-order statistics of data,the feature basis function which is obtained by ICA from image data are localized in space as well as in frequency and orientation ,fit image data well.

传统的的傅立叶变换、离散余弦变换、主分量分析等线性变换方法都是基于全局变换的思想，无法反映图像在时频域的局部特征。

Layer4: the transport layer The transport layer segments data from the sending host's system and reassembles the data into a data stream on the receiving host's system.

第四层：传输层传输层将发方主机系统送来的数据进行分段。并将数据重新组装成数据流送到收方主机系统上。

The connection converting apparatus includes: a hook detector for detecting a hooked state of the telephone; a relay for connecting the telephone to either the Internet or the PSTN according to a commmand; a duplex circuit for suppressing voice leakage and side tone by converting and reconverting from a two-line signal of the telephone to a four-line signal for transmission and reception; a tone decoder for decoding a DTMF tone of the telephone; and a microprocessor for exchanging control data for the user's computer, controlling the relay to cause the telephone to be connected to the Internet when the hook detector detects an off-the-hook state of the telephone, and providing number data to the user's computer when the microprocessor receives number data from the tone decoder.

所述连接转换装置包括：用于检测所述电话的摘机状态的摘机检测器；用于根据命令将所述电话连接到互联网或PSTN的转接器；用于通过从所述电话的双路信号到用来传送和接收的四路信号之间的转换及复原来抑制声音泄漏和侧音的双工电路；用于对所述电话的DTMF音进行解码的音频解码器；以及微处理器，其用于交换来自所述用户的计算机的控制数据、控制所述转接器以使所述电话在所述摘机检测器检测到所述电话的摘机状态时连接到互联网、以及在所述微处理器接收到来自所述音频解码器的号码数据时向所述用户的计算机提供号码数据。

With analyses upon real traffic data, we concluded that the fusion of GPS and SCATS data gives better estimation results for urban traffic states in that it enables mutual supplement between different data sources and evaluates reasonable degrees of credibility according to their behaviors.

实际交通数据的分析结果表明，融合估计结果由于考虑了不同数据源的互相补充以及不同算法之间的置信度判定等因素，较之上述任何单一的手段，能够得到更为稳定可靠的城市交通流状态。

Based on the scatted data , a suitable method has been proposed in this paper , in which the least eigenvector of covariance matrix for the local data points is used as the normal vector of the data .

这里针对散乱测量数据点云，以局部数据点协方差矩的最小特征向量作为数据点的方向矢量，并根据实际测量情况，对基于二次曲面拟合的数据点曲率估算算法进行了改进。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。