aperture

Use a small aperture and position the camera carefully

用小光圈，仔细调整相机位置。

What aperture are you using ?

你用多大光圈？

For flash photography , set the aperture at f.5.6 .

用闪光照相，要把光圈孔径定为5.6。

Through the aperture he could see daylight .

透过缝隙，他能看见日光。

The camera has a 32mm lens with a maximum aperture of f / 4.5 and a fixed shutter speed of 1 / 100sec .

这架相机有一个32毫米的镜头，最大孔径为f/4.5，固定快门速度为1/100秒。

The only light came through a narrow aperture .

仅有的光亮来自一个小孔。

The quadratic aperture of the cat 's-eye diaphragm is imaged too large .

猫眼光栏的方形光孔成像太大。

These ions pass through a slit of variable aperture and then enter the magnetic field analyzer .

这些离子通过可变宽度的狭缝进入磁场分析器。

The virtual anode formation time and propagation velocity at different pressure with different apertures are investigated .

比较了在不同气压和空心阴极孔径下虚阳极的形成时间和扩展速度

The Five-hundred-meter Aperture Spherical Radio Telescope ( FAST ) is an example of the progress in innovation the country has made in cutting-edge technologies .

“中国天眼”是国家重大科技基础设施，实现了我国在前沿科学领域的一项重大原创突破。

Then they drilled an aperture3 each day , and on the seventh day , they completed the seven apertures but Hun Dun died .

于是它们一天凿出一个孔窍，到了第七天，七窍是凿成了，但浑沌也死了。

The Master Design of a Test System for Aperture Performance

光圈性能测试系统的总体设计

Preliminary Analysis of Thermal Influence on the Large Aperture Optical Elements

大口径光学元件热稳定性初步分析

The method can be applied to other large aperture optical systems .

所使用的分析方法可以应用于其他大口径光学系统。

The Study of Change Detection Technology with Synthetic Aperture Radar Images

合成孔径雷达图象变化检测方法研究

Optimization design of CR aperture based on time domain spectrum

基于近场时域谱的紧缩场口径优化设计

Chapter two describes the theory of synthetic aperture imaging .

第二章对综合孔径成像的相关原理进行了介绍。

Lens Design for High Power and Wide - aperture Beam Expander

高倍率及大孔径扩束器的光学系统设计

Quality improvement of laser speckle patterns by the method of changing aperture

用换孔径法改善激光散斑图质量

The objective has high infrared transmission , large relative aperture and high resolution .

该物镜红外透过率高、相对孔径大、分辨率较高。

A Study on Effects of Measurement Distance on Large Circular Aperture Antenna Patterns

测量距离对大型圆口径天线方向图影响的研究

Synthetic Aperture Radar Equations THE EQUATION OF MAGNETIC LINE OF FORCE

磁矢势方程的数值模拟合成孔径雷达方程

Research on Practicability Technique of Millimeter Wave Sensor with Small Aperture

小口径毫米波探测器实用化技术研究

Damage of Optical Glass Materials with 2 ns Large Aperture High Power Laser

2ns大口径高功率激光对光学玻璃材料破坏研究

Study of Several Problems in Ultra-Wide Band Synthetic Aperture Radar Information Processing

超宽带合成孔径雷达信息处理技术若干问题研究

The variation of aperture of fracture with the heat extraction .

裂缝宽度随地热提取变化的规律。

Then the synthetic aperture focusing imaging algorithm is used for imaging .

于是将合成孔径聚焦成像算法应用于成像。

Local Oscillator Phase Noise and Its Effect on Aperture Synthesis Interferometer Performance

本振相位噪声对干涉式综合孔径辐射计性能的影响

The Passive Synthetic Aperture Technique of Acoustic Vector Sensor Line Array

矢量水听器线列阵的被动合成孔径技术

Analytical Study of Dynamic Aperture for Storage Ring by Using Successive Linearization Method

用逐次线性化法对储存环动力学孔径的解析研究