scanning index
英 [ˈskænɪŋ ˈɪndeks]
美 [ˈskænɪŋ ˈɪndeks]
网络 扫瞄索引; 扫描索引
双语例句
- From the performance perspective, this is considered a very efficient join operation, because the cost for scanning the inner table is optimal via unique access through a unique index.
从性能的角度来看，这被认为是一个非常有效的联接操作，因为通过贯穿唯一索引的唯一访问扫描内部表的成本是最优的。 - When scanning an MDC table, block locking could be deferred for an index scan.
当扫描一个MDC表时，对于索引扫描，块锁可以推迟。 - Scanning a clustered index, entirely or only a range.
扫描聚集索引，可以扫描全部内容，也可以只扫描一个范围。 - Introduction to scanning. Students practise scanning an index.
介绍什么是扫读。学生练习扫读一个索引内容。 - Scanning a particular range of rows from a non-clustered index.
扫描非聚集索引中的特定范围的行。 - The efficiency of order scanning is compared with that of retrieving with R-tree and SS-tree. The experiment shows that with the use of index, the efficiency of CBIR is greatly improved. Using SS-tree index to retrieve is efficient and effective for CBIR.
将SS-树索引用于基于内容图像检索的相似性检索，比较了顺序扫描和采用R-树、SS-树进行检索的效率，实验结果表明采用SS-树索引进行基于内容的图像检索是高效可行的。 - Internal structure and external scanning characteristics of tea blades of 10 species were observed in morphological and ultramicroscopic levels. Photosynthesis yield indexes ( index number N) were indirectly determined and their relationship with resistances of cold, disease and drought were also discussed.
采用光学及扫描电子显微镜观察了10种茶树叶片的内部结构和外部扫描特征，间接地鉴定其光合产量指标，并探讨其与抗寒性、抗旱性和抗病虫害的关系。 - Methods Liver scanning was performed with a high frequency transducer to measure the velocity acceleration time and resistant index of portal vein and hepatic artery after finishing the anastomosis.
方法选用高频手术专用探头，于手术中门静脉、肝动脉吻合完成后立即测量肝动脉及门静脉血流速度，并计算快速充盈时间及阻力指数。 - Photon Scanning Tunneling Microscope ( PSTM) is another kind of Scanning Probe Microscope. It can measure refractive index of the sample, and proper for the application of micro-dissecting organism sample with laser.
光子扫描隧道显微镜（PSTM）是另一种扫描探针显微镜，它可测样品的折射率，而且适合于激光微切割生物样品方面的应用。 - The error source of map scanning digitization is analyzed. Then error control method is suggested and quality control index is advanced. The available positional accuracy of final data is estimated at last.
本文分析了地形图扫描数字化的误差来源，讨论了误差控制方法及质量控制指标，探讨了成果数据相对于地形原图的位置精度，具有一定实用价值。 - This paper introduces the axial scanning technique for gear laser hardening, and advances a method of defining index tooth numbers. It also analyses and compares the index errors, and gives the reasonable values of index tooth number selection.
本文介绍了齿轮激光淬火宽带激光束轴向分齿扫描工艺，提出了分齿数的确定方法，分析比较了各种分齿误差，给出了分齿数的合理选择范围。 - Conclusion: ( 1) The ratio of scanning area of 10 kD to 14 kD could be taken as an auxiliary index for biochemical diagnosis of MG.
结论：（1）血清10kD与14kD蛋白扫描面积的比值可作为生化诊断MG的辅助参数。 - Methods Blood flow changes of 43 lupus patients were observed by single photon emission computed tomography ( SPECT) scanning. Some interested cerebral areas were selected and semi quantitative method to calculate asymmetric index ( AI) for analysis was used.
方法用单光子发射电子计算机扫描（SPECT）观察脑血流的变化，选择脑感兴趣区及半定量计算非对称指数（AI）法分析，狼疮脑患者同时行核磁共振（MRI）检查。 - Structures of phosphorous flame-retardant polyester and its spinnability were characterized by infrared spectra ( IR), intrinsic viscosity, differential scanning calorimeter ( DSC), oxygen index ( OI).
用红外光谱表征了磷系阻燃聚酯的结构，研究了磷系阻燃聚酯的特性粘数、DSC、氧指数、可纺性等性能。 - The properties of the homopolymer were characterized by laser dynamic light scattering photometer, optical microscope, differential scanning calorimetry, thermogravimetric analysis, wide angle X-ray diffraction and melt index apparatus.
采用激光粒径分布仪、光学显微镜、差示扫描量热仪、广角X射线衍射仪等表征了聚合物性能。 - This paper analyzed the error resource of map scanning digitization based on the process of GIS data produce. The error control method is suggested and the quality control index is advanced in this paper. Meanwhile, the error of the testing data is analyzed.
分析了基于扫描数字化GIS数据生产过程中的误差来源，针对各种误差提出了质量控制方法和一些质量控制指标，并结合实例作了精度分析。 - Image distortions of two-photon laser scanning microscopy induced by refractive-index mismatch of coverslips
双光子激光扫描显微镜中折射率失配引起的图象变形研究 - Experimental demonstrations are performed by scanning LiNbO_3: Fe crystal with a focused green laser beam. The light-induced index changes are measured by digital holography. The experimental results conform to the theoretical analyses.
采用会聚的绿激光束扫描掺铁铌酸锂（LiNbO3：Fe）晶体进行了实验研究，晶体中的光致折射率变化通过数字全息术进行测量，实验结果与数值模拟相吻合。 - The thermal properties and flammability of the FR-UPR samples were investigated by differential scanning calorimetry ( DSC), thermogravimetric analysis ( TGA), limiting oxygen index ( LOI) measurements, and cone calorimetry.
利用热重分析、极限氧指数测试、锥形量热测试、差示扫描量热等手段研究了该材料的燃烧性能和热性能。 - Scanning speed is an important performance index of a scanner.
扫描速度是扫描仪的一项重要性能指标。 - Living cells 、 apoptotic cells and oncotic cells were observed by laser scanning confocal microscope ( LSCM). And the cell rate consistent with apoptosis index and oncosis index in each group.
共聚焦显微镜观察到活细胞、凋亡细胞和胀亡细胞，其各组细胞比率与凋亡指数和胀亡指数一致。