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平场
1、flat cable───[电]扁平电缆
2、flat tire───n.漏了气的车胎；没精打采；漏了气的车胎
3、smashed flat───压扁
4、field───vi.担任场外队员；vt.把暴晒于场上；使上场；处理，应付（问题或意见）；n.领域；牧场；旷野；战场；运动场；字段；adj.扫描场；田赛的；野生的；n. (Field)（英、法、德、葡）菲尔德（人名）
5、flat track───平道
6、a flat───一间公寓
7、pollard flat───波拉德公寓
8、flat───vt.使变平；[音乐]使（音调）下降，尤指降半音；n.（法）弗拉特（人名）；（英）弗莱特（人名）；adj.平的；单调的；不景气的；干脆的；平坦的；扁平的；浅的；adv.（尤指贴着另一表面）平直地；断然地；水平地；直接地，完全地；n.平地；公寓；平面；vi.逐渐变平；[音乐]以降调唱（或奏）
9、Flat head───北美印第安人
1、This method is simple and efficient in both flat field and improving resolving power.───此设计方法简便，在兼顾平场和提高分辨率方面效果显著。
2、I really liked it when we ran fast across that flat field.───当我们飞的速度穿过那片平地时感觉棒极了！
3、Compared with the flat field, ionic wind generated by needle-shaped electric field play a greater impact on the flame.───与平板电场对比，针形电场产生的离子风对火焰的影响更大。
4、Some applications will work fine with plain files, such as CSV files or just flat field text files.───一些应用程序适合使用简单文件，比如CSV文件或平面字段文本文件。
5、For astrometric purposes, dark frame and flat field calibration is recommended.───出于天文测量要求，暗场图和平场图校准是被推荐的。
6、At night canopy temperature on flat field was the highest while temperature on north slope was the lowest.───茶园地温变化平缓，傍晚达到一天中的最大值，且平地始终高于北坡。
7、On the flat field, do not need any equipment.───在平坦的场地上进行，不需任何器械。
8、Loads a flat field frame.───载入一个平场图片。
9、A method which is based on Rowland mount and uses ZEMAX software to design flat field holographic concave grating is given in this article.───介绍一种从罗兰圆结构出发，利用ZEMAX光学软件设计平场全息凹面光栅的方法。
1、In this paper, the flat field polychromator (SPD - I) using an aberration - corrected flat fie1d holographic concave diffraction grating as both spectroscopic and oPtical imaging element is re-POrted.
2、This method is simple and efficient in both flat field and improving resolving power.
3、It is also shown that only when the gratings are cylinder or plane ones, the second order sagittal anastigmatic circular field and meridional non defocus flat field spectral images can be formed.