Magnification corrected measurements of optic disc diameters and area were done using Zeiss FF450 Plus fundus camera.
结果:总体上平均垂直视盘直径为(1。
This paper presents the theoretical formula for obtaining the cutoff wavelength of single mode fibers,investigates the relation of the fiber darwing tension with the cutoff wavelength and the mode field diameter (MFD) of the fibers and establishes relational expressions for cutoff wavelenght and MFD by numerical analysis.
本文介绍了单模光纤截止波长的理论公式,分析和探讨了拉丝张力这一工艺参数与单模光纤截止波长、模场直径之间的关系,并运用数值分析的方法建立了截止波长和模场直径的关系式,最后指出了在实际生产中,如何通过改变拉丝张力而使得截止波长在合格范围内或更加趋于合理。
It is relevant to various factors such as MFD,length,curvature,attenuation etc.
光纤截止波长是单模光纤的一个重要参数 ,它与许多因素如模场直径、长度、弯曲、衰减等有关。
Analysis on the Characteristic of Far-field Diffraction in a Cylindrical Waveguide and the Measurement of Mode Field Diameter;
圆光波导远场衍射特性及模场直径测量分析
reduce the diameter of (a wire or metal rod) by pulling it through a die.
通过冲模来减少……的直径。
FEM Simulation Research on Large-Sized Straight Weld Pipe's Rounding and Sizing Process
大口径直缝焊管整圆定径工艺数值模拟研究
Numerical Simulation of Rounding-sizing Process of Large-sized Straight Welded Pipe
大口径直缝焊管整圆定径工艺过程的数值模拟
Study on FEM Simulation of Cage Forming of Large-sized ERW Straight-welded Pipe
大直径ERW直缝焊管排辊成型的有限元模拟
Computing Diameter in the Streaming and Sliding-Window Models
流和滑动窗口模型下的直径计算(英文)
The Evaluating Model of Critical Diameter of Explosive Based on Elman Neural Network
基于Elman网络的炸药临界直径预测模型
Slipform Construction of Large Diameter Raw-coal Buffer Silo Wall
大直径原煤缓冲仓仓壁滑模施工技术
Steel reinforcing bars used to direct planes to conduct direct, according to the diameter steel Straightening mode selection and correct use Straightening-scale displacement.
采用钢筋调直机对钢筋进行调直,根据钢筋的直径选用调直模,并正确掌握调直模的偏移量.
Experimental Study on Lime-soil Compaction Pile with Big Diameter at Collapsible Soil Site;
湿陷性黄土场地上大直径灰土挤密桩试验研究
Study on Dynamic Analysis and Site Measurement for Large Diameter Cylinder Driving by Vibration;
大直径圆筒振动下沉动力分析及现场试验研究
Study of Gradient at Junction of Straight Lane with Semicircle of Typical Track and Field Stadium
标准田径场直道和半圆交接处的坡度研究
Measurement of Bubble Diameter in a Flat Glass Based on Far-Field Interference
基于远场干涉测平板玻璃内的气泡直径
Study on droplet diameter in cross-current rotary discs supergravity field
错流旋转碟片超重力场中液滴直径的研究
Analysis of Field Test on Bearing Capacity Characteristics of Large-Diameter and Rock-Socketed Piles
大直径嵌岩桩承载特性的现场试验分析
Study on the Effect of the Nozzle of Drag Bits on Bottom Hole Flow Field
刮刀钻头喷嘴直径对井底流场的影响研究
Study on Optimizing the Routing for Large Scale Vehicles in Single Depot;
单车场大规模车辆路径优化问题研究
The Numerical Simulation of Flow and Temperature Field in Cylinder Head of Diesel Engine with Small Cylinder Bore;
小缸径柴油机气缸盖流场、温度场的数值模拟