| 1. | These include the canvas extractors developed by the institute of forest genetics at placerville california .
其中包括加利福尼亚的泼拉崖维尔森林遗传研究所创造的帆布提取器。 |
| 2. | Centrifugal tar extractor
离心焦油提取器 |
| 3. | Core lifter case
岩芯提取器 |
| 4. | The activity - based current extraction algorithm has been improved in gate capacitance calculation
此外，对基于活动率的电流提取器进行改进，提高了等效门级电容的计算准确度。 |
| 5. | The semi - automatic liquid nitrogen extracter is lowcost and easy - to - use , which can prevent the volatilization of the liquid nitrogen during the extraction
摘要介绍一种自制的半自动液氮提取器，该提取器制作成本低廉，操作简单，并可以避免治疗过程中提取液氮时液氮的大量挥发，从而可以减少资源浪费，降低治疗成本。 |
| 6. | In our experiments , a commercial finite element code with a capability of simulating large - strain frictional contact between two or more solid bodies is used to simulate the core cutter - soil interaction
在我们的试验中，使用了一个商品化的有限元程序，它具有模拟两个或多个固体间大应变摩擦接触的能力，我们用它来模拟岩心提取器与土壤间的相互作用。 |
| 7. | Their pd signals are measured and measured cables are anatomized to observe their discharging trace . implement of picking - up character and mode classifying are introduced , and expatiate the principle of artificial neural networks . soft program is necessary to pick - up the character of pd signals and classify pd mode
论文介绍了由特征量提取器和模式识别分类器两大模块构成的模式识别系统，阐述了人工神经网络的模式识别原理，本文一方面采用信号的prpd模式的放电次数和统计算子作为bpnn的输入信号，设计了相应的bpnn模式识别程序；另一方面采用prpd模式的统计算子作为sart人工神经网络的输入，设计了相应的sart神经网络模式识别程序。 |
| 8. | The multiscale mixed distribution models ( mmdm ) and the multiscale autoregressive ( mar ) models are investigated in this thesis , and they are applied to the unsupervised segmentation of the synthetic aperture radar ( sar ) image by joining them together - the multiscale mixed distribution models as the feature extractor and the multiscale autoregressive models as the classifier
本文对多尺度混合分布模型( multiscalemixturedistributionmodels简记mmdm ) ，其中主要是对多尺度混合gauss分布模型( multiscalemixturegaussianmodels简记mmgm )和多尺度混合rayleigh分布模型( multiscalemixturerayleighmodels简记mmrm )进行了研究，及对多尺度自回归( multiscaleautoregressive简记mar )模型进行了研究，并将mmdm作为图像分割的分类器， mar模型作为图像分割的特征提取器对合成孔径雷达( syntheticapertureradar简记sar )图像无监督分割进行了研究。 |
