查询词典 magnification

The above-described configuration of the zoom lens system allows appropriate setting of the imaging magnification of the fourth lens unit and the focal lengths of the third and fourth lens units.

变焦镜头系统的上述结构允许适当设定第四透镜单元的图像放大率以及第三和第四透镜单元的焦距。

To provide a stable and vibration-proof environment , so that Mask Aligner could be vibration proof even under the high image magnification rate.

提供稳定无震的空间，如此曝光机在高倍率放大的对位情况下对位系统不会有影像振动的情形。

Historically Abbe described microscope eyepieces using a different decomposition in terms of angular magnification of the eyepiece and 'initial magnification' of the objective.

虽然被接受的标准距离是250mm，但现在的显微镜会设计成只有160mm的焦距，使得仪器变得非常的紧凑。

NIICP can optimize the openloop gain to reduce intrinsic noise in the lower magnification and to recover high frequency signal damped down by the low pass transfer function of large feedback resistance and parasitic capacitance in the higher magnification.

在较低放大倍率时，改变开环增益后放大器会降低自身产生的噪声，实现低噪声；在较高放大倍率时，改变开环增益后放大器能扩展被极高阻值的反馈电阻和寄生电容降低的信号带宽。

Compared with Inverting Input Composite Preamplifier in the commercial QMS,the NIICP can reduce noise by 5%～30% in the 106～107 V/A magnification,and can expand signal bandwidth by 1.8 times and increase MS peak amplitude by 10%～15% in the 108 V/A magnification.

实验结果表明：与反相输入复合放大器相比，同相输入复合放大器在106～107V/A放大时能降低5%～30%噪声，在108V/A放大时可扩展带宽1.8倍并提高10%～15%质谱峰强度。

The anastomosing occurred between the pleural superficial and the subpleural vascular networks on the capillary level or the precapillary level. The honeycomb vascular networks were also various in size and form at a low magnification. The venule connected with the pulmonary capillary networks directly at a high magnification. The single capillary networks were found in the alveolar septa. The longitudinal crests and dense round imprints of endothelial nuclei and the clear circular constrictions were found on the surface of the larger vessel in the lung parenchyma. The round imprints of endothelial nuclei also occurred on the subpleural venule and capillary.

胸膜面浅层的微血管与胸膜下微血管之间形成毛细血管水平或毛细血管前水平的吻合；低倍镜下肺实质内微血管网也呈现大小不等、形态各异的蜂窝状结构；高倍镜下肺泡毛细血管与微静脉之间联系紧密；在肺泡隔内毛细血管网成单层分布；肺实质内管径较大的微血管表面可以见到纵行的嵴状结构和密集的内皮细胞核的压痕，以及明显的环形缩窄；胸膜下微静脉和毛细血管表面可见圆形内皮细胞核的压痕。

To enlarge the measurement range of a potential vision meter and improve its measurement accuracy for patients with high error of refraction, the imaging characteristics of its optical system were investigated. The visual magnification equation of the system was derived. The influence of the focal length variation of the collimating lens and the imaging lens on the magnification was analyzed respectively.

针对潜在视功能检测仪临床使用中量程有限和对高度屈光不正患者检测结果有一定误差的现象，研究了其光学系统成像特性，建立了系统对视力板成像的视觉放大率公式，分析了准直透镜、成像透镜焦距变化对视觉放大率的影响。

The focus of the collimating lens has effects on the slope of the visual magnification curve while the focus of the imaging lens affects visual magnification of the whole moving range in the same way.

系统中视力板移动检测时，准直透镜焦距影响视觉放大率变化快慢，决定视觉放大率曲线的平缓程度；成像透镜焦距对视觉放大率产生整体影响，使视觉放大率曲线产生整体平移。

On the base of codes in 1989,a series of seismic measures are improved in new codes,such as limit of inner-storey drift angle,minimum reinforced rate,column-beam moment magnification coefficient and moment magnification factor at the column base,etc.

在89规范的基础上，本次规范修订进一步提高了包括层间位移角限值、最小配筋率、柱一梁级差系数等等在内的一系列抗震设计措施。

Using natural frequency ratio and damping ratio as design variables, constructing an objective function with the peak values of dynamic magnification factor and the dynamic magnification area of the main system in the whole frequency band, the optimization problem is built.

建立了以固有频率比和阻尼比为设计变量，以振幅动力放大系数函数的多个峰值和整个宽频带下面积构造目标函数的优化问题。给出了两个自由度减振器参数的优化计算实例。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。