查询词典 number field

However,the general tendency is that the number is growing The main events include track and field,ball-games,swimming,gymnastics,weightlifting,shooting,fencing,boating,equestrianism and boxing etc.

主要项目有田径，球类，游泳，体操，举重，射击，击剑，划艇，马术，拳击等。你知道冬季奥运会吗？

It is possible, upon the theory of equipotential surface, to find in an electric field a large number of points, all of which have the same potential.

此外，还可以用于强调句中，强调主语、宾语或副词短语，注意这种结构不可强调动词。

Method］ The main stem height, main stem leaf number and fresh and dry weight of Eupatorium odoratum were measured in different light intensity in the field.

方法］以飞机草为研究对象，在田间测定了不同光照率对其主茎生长高度、主茎叶片数和鲜干重的影响。

Optical system design of star sensor with wide-view field and small F-number［J］.

数字全息成像系统的景深和焦深分析［J］。

The change trends of the angular size of the blur spot θ with the f-number and half-field angle uP were concluded.

弥散斑的角宽度θ随着半视场角uP的增大而增大，随着系统f数的增大而减小。

Expanding of Field-of-view for small F-number millimeter wave focal plane imaging is analyzed in this paper.

本文研究平面波倾斜入射在小F数毫米波焦面阵成像系统上衍射斑像差减小即视场扩大问题。

The lens system adopted the Reverse-Telephoto configuration which had an effective focal length of 5.5mm,an F-number of F/4 ,a field of view of 175°,and a working wavelength in the range of visible spectrum.

系统焦距为5.5mm，相对孔径为1/4，全视场角175°，光谱范围为可见光波段，采用了3组10片的反远距型结构。

This paper presented an optical system of star sensor. The lens system was a complicated double- Gauss configuration which had an effective focal length of 51 mm, an F-number of F/1.1, a field of view of 21°×21°(2ω=30°),and a working wavelength rang of 0.5~0.85 μm.

介绍了一种用于卫星姿态控制的星敏感器光学系统，该光学系统焦距为51 mm，相对孔径为1/1.1，视场角为21°×21°（圆视场2ω＝30°），光谱范围为0.5～0.85 μm，采用了复杂化双高斯结构。

Although factors that affect the quality of an image captured at high speed include scene luminance, aperture size (f-number, f/#), shutter speed, and field of view, a simple calculation can determine the approximate shutter speed needed for such an application.

尽管影响高速捕捉图像质量的因素包括场景的亮度、镜头大小、快门速度和视野，不过对于这样的应用场合可以很简单就计算出大致所需的快门速度。

So far,a limited number of research papers are related to dynamic response of long-span flexible roofs.Gymnasium roof is a special topic of long-span flexible roof structures,a-nd it is important to study on wind load and gust loading factor in the field of engineering and research.

目前国内外对大跨度柔性屋盖的风振响应研究很少，本文研究的体育馆屋盖结构的风荷载及风振系数作为大跨度柔性屋盖结构的一个专题，具有重要的工程应用价值和学术研究意义。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了