查询词典 samples

To the problem that large-scale labeled samples isn't easy to acquire in the course of SVM training, the active learning strategy is used in the SVM training and an incremental training algorithm of active SVM based on the uncertainty based sampling of distance ratio is proposed in the paper. The experimental results show that the active SVM learning strategy can considerably reduce the labeled samples and costs compared to the passive learning method, and at the same time it can ensure the accurate classification performance is kept as the passive SVM and also expedite the SVM training.

针对 SVM训练学习过程中难以获得大量带有类标注样本的问题，本文将主动学习策略应用于SVM增量训练中，提出了一种基于距离比值不确定性抽样的主动SVM增量训练算法，实验结果表明在保证不影响分类精度的情况下，应用主动学习策略的SVM选择的标记样本数量大大低于随机选择的标记样本数量，大大降低了标记的工作量或代价，而且训练速度同样有所提高。

Results show that, under the conditions depicted in this paper, generation rates of characteristic products don't speed up with increase of samples' initial aging degrees, but are consistent with the change of bond scission rate of cellulose. When samples are in mid-end life and aged further, the generation rate decreases almost exponentially.

结果表明：在该文的试验条件下，处于老化中后期的油纸绝缘，在后期继续老化过程中特征产物的生成速率随油纸绝缘初始老化程度的增加并不呈现递增趋势，而是成近似指数递减关系，这与纤维素绝缘纸降解过程中断键速率的变化一致。

The frictional behavior of samples was determined before and after sputtering, cohesion strength of samples was checked by scratch test.

结果表明在工具钢表面溅射镀BN薄膜后摩擦因数明显降低，从原来的0.8下降到0.6，具有良好的减摩效果；BN薄膜和T10钢基材之间有一定的结合强度。

Methods: In 52 patients,aged from 3 to 14 years ,including 27 with domestic device and 25 with Amplatzer occluder for percutaneous closure of secundum atrial septal defect in 2006, blood samples were taken before and 24 hours, 1, 3, 6 and 9 months after occluder implantation. The nickel concentrations of blood samples were measured by ICP-MS.

研究对象为52例2006年在我院心儿科行房间隔缺损封堵术，年龄在3～14岁的患儿，其中25例使用Amplatzer房间隔缺损封堵器，27例使用国产先健房间隔缺损封堵器，采用酶消解电感耦合等离子体质谱法，分别测量术前、术后24小时、第1、3、6、9个月体内血镍含量。

Results: There were 237 samples containing shigella in the 2626 samples, and the rate was 9.03%.

本地区出现了一种新的志贺氏菌血清型F4c占28.69％，是引起本地区菌痢的优势菌型。

Half of 223 Samples in 2003 and 80% of 126 samples in 2002 showed shrivel.

在2003年的223份样品中有一半的样品表现为皱缩；在2002年的126份样品中有80％的样品表现为皱缩。

SBA-15 samples obtained from both silica sources were highly ordered p6mm symmetric pillar structure,as was evidenced by XRD patterns,with similar surface area and slightly larger pore volume for the samples prepared from TEOS than those from sodium metasilicate.

通过X射线粉末衍射对样品进行表征，发现两种硅源合成的SBA-15都具有高度有序的二维六方立柱形结构。它们的比表面积相近，用TEOS作为硅源的SBA-15的孔容比用硅酸钠作为硅源的SBA-15的略大；用硅酸钠作为硅源的SBA-15有更高的微孔率和更厚的孔壁。

Through analyzing the influence of the learning samples' location in the spectral space on the accuracy of multi spectral remote sensing image classification using BP neural network, a method for learning samples selection based on x 2 distribution was presented and used in TM image classification.

通过分析多光谱遥感图像学习样本在光谱空间不同位置对BP神经网络分类器分类精度的影响，提出基于x2 分布的学习样本选取方法，并应用于TM 图像分类。

Methods Selective lysis of spermatid and epithelial cells combined with paramagnetic particle method were applied to extract the DNA from the mock samples under controlled conditions and forensic case samples, and template DNA were analyzed by STR genotype method.

采用差异提取试剂盒，选择性裂解精细胞和上皮细胞，结合磁珠法分别对人为控制条件下制备的模拟混合样本和案件中的混合斑检材进行精细胞DNA和上皮细胞DNA的分离提取。

Methods Random sampling method was used to collect samples twice from the spray-paint plants during the work time and 0.5 hour after work; the samples were sent to the laboratory and detected according to the national standard.

采取随机抽样方法，对每个喷漆车间工作时和停工后0.5h采样2次，采样4h内送实验室，按国家有关标准直接进样检测。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。