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锐度     
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  sharpness
     The Influence of Sharpness of the Crack Tip and Morphology of Graphite on the K_(1c) of Ductile Iron
     裂纹顶端锐度与石墨形态对球铁K_(1c)的影响
短句来源
     The relationship between the N 0 of S—N curves for notched specimens with various degrees of sharpness and the N 0 of S—N curves for smooth specimens are studied subsequently.
     然后 ,对不同锐度缺口试样S—N曲线的N0 值与光滑试样S—N曲线的N0 值间的关系进行了研究。
短句来源
     The results show that the N 0 values of S—N curves for the notched specimens don't vary with the degrees of the sharpness and they are not much different from the N 0 values of the smooth specimens.
     结果表明 ,缺口试样S—N曲线的N0 值大体上不随缺口试样的缺口锐度改变 ,且与光滑试样S—N曲线的N0 值相差不大。
短句来源
     Influences of sharpness of diamond tool cutting edge on the cutting deformation and quality of cutting surface
     金刚石刀具刀刃锋锐度对切削变形和加工表面质量的影响
短句来源
     The sharpness of the tuning curve was. expressed by Q_N values,where Q_N is the ratio of BF to the band width at N dB abovethe BF threshold. Mean and the variance of Q_(10dB),Q_(20dB),Q_(30dB),Q(40dB),Q_(50dB),all increased as the BF did.
     频率-阈值曲线的锐度若以Q值表示,它对最佳频率分布的回归曲线由最佳频率的低频向高频方向逐渐升高,且Q10,Q20,Q30,Q40,Q50,dB的回归曲线具有相似的倾斜度。
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  acutance
     Form study of image is an analytical activity of structural system based upon the sequence of gradation differentiation, with the logic basis of gradation of colors being the unit acutance decomposition and structural organization format at various understanding levels in the work.
     图像形式研究是基于层次分化序列的结构系统分析活动,而分层的逻辑根据是作品内部不同认识水平上的单位锐度分解和结构组织范式。
短句来源
     To improve the accuracy of digital MTF (modulation transfer function) measurement system, two auto-focus evaluation methods (acutance function method and mean square error function method) are introduced.
     为了提高数字式光学传递函数测量的精确度,介绍了2种自动对焦评价方法:锐度函数法和均方差函数法。
短句来源
     Based on the strain history information obtained from monitoring of bridge operation state,and through detailed analysis of influential line shapes of measurement points on the bridge,a BWIM(Bridge Weight in Motion) method,the single-acme acutance method that can identify passing vehicle load,is established.
     基于桥梁运营状态监测得到的应变历程数据,通过对测点影响线形状的较深入分析,建立了识别过桥车辆荷载的一种BWIM方法———“单峰锐度法”。
短句来源
     Main results have been obtained as follows:Grounded calcium carbonate or titanium oxide used as a co-pigment together with silica could modify its rheology, but their addition could engender negative influence on the color optical density, print contrast, color gamut and edge acutance of lines, especially the effect of titanium oxide on the print quality is evident.
     (1) 研磨碳酸钙和二氧化钛在彩喷纸用的应用虽然能够改善涂料的流变性,但会对打印颜色的光学密度、印刷反差、色域以及线条的边缘锐度产生不利影响,特别是二氧化钛对彩喷纸打印质量的影响更为明显。
短句来源
     Methods To use the random- pointed stereopicture (stereoscopic vision acutance is 300 seconds) developed by Mr. Wang Ai-hou, Taiwan University, 652 preschool children were examined and classified the stereoscopic vision .
     方法 用乱点立体图(立体视锐度为300秒)对652例门诊就诊儿童做了立体视检查,并根据其年龄、视力及眼位等情况分组,以了解在不同情况下立体视的出现率,从而对乱点立体图的可靠性和灵敏性进行研究.
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  acuity
     in the bilateral SIOL implantation group, no one had the same level (x~2 = 25.294, p=0.000, p<0.01), and 93.75% and 46.15%, respectively, had 60s or less of near stereopsis acuity with corrected near visual acuity (x~2=9.650, p=0.008, p<0.01).
     矫正近视力下近立体视锐度,93.75%的双眼植入MIOL者≤60s,相比双眼植入SIOL者的46.15%差异极具显著性(x~2=9.650,p=0.008,p<0.01),单眼植入MIOL组与单眼植入SIOL组间差异无显著性(x~2=2.40,p=0.494,p>0.05);
短句来源
     in the bilateral SIOL implantation group,no one had the same level(χ2=25.294,P=0.000,P<0.001),and 93.75% and 46.15%,respectively,had 60s or less of near stereopsis acuity with corrected near visual acuity(χ2=9.650,P=0.008,P<0.01).
     矫正近视力下近立体视锐度,93.75%的双眼植入MIOI者≤60s,相比双眼植入SIOL者的46.15%差异极具显著性(χ2=9.650,P=0.008,P<0.01);
短句来源
     COMPARISON OF THE STEREOVISUAL ACUITY, RANDOT STEREOTESTS,FRISBY STEREOTEST, WIRT TEST, TNO TEST OF 442 NORMAL CHILDREN WITH STEREOVISUAL TEST CHART
     442名正常儿童立体视锐度及Randot Stereotests、Frisby Stereotest、Wirt Test、TNO Test和立体视觉检查图的比较
短句来源
     After correcting defocus and astigmatism,the average visual acuity of subjects is 1.0,the CSF value is about 52 for lower frequency 20 c/mm and about 1 for higher frequency 80 c/mm.
     矫正了离焦与像散后,被测者的平均视锐度值达到了1.0,对比敏感度在低频(20 c/mm)处约为52,高频(80 c/mm)处约为1;
短句来源
     After removing the 2nd,3rd and 4th Zernike aberrations,the average acuity reached 1.2,the CSF value is about 96 for lower frequency 20 c/mm and about 7 for higher frequency 80 c/mm.
     矫正了前4阶像差后,平均视锐度值可提高到1.2,对比敏感度在低频(20 c/mm)处提高到96,高频(80 c/mm)处提高到7。
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  “锐度”译为未确定词的双语例句
     TEA CO_2 Laser Tuned by Low Fineness Fabry-Pertot Interferometer
     低锐度F-P干涉仪调谐的TEA CO_2激光器
短句来源
     Stereoacuity and Amblyopia and Strabismus of Children in China
     中国儿童的弱视、斜视与立体视锐度
短句来源
     Theoretical Calculation on TEA CO_2 Lasers Tuned by a Low Fineness F-P Interferometer
     低锐度F-P干涉具调谐TEA CO_2激光器理论分析
短句来源
     We tested the stereoacuity of A group at 60cm and B group at 2m with PC-RDS when the size of the random dot is changed (2, 4, 6, 8, 10 pixels).
     用PC-RDS分别测定A组60cm、B组2m距离五种大小随机点(2、4、6、8、10象素点)的立体视锐度
短句来源
     Children' s amblyopia and stereoacuity
     儿童弱视与立体视锐度
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  sharpness
Where possible, the sharpness of the error bounds is discussed.
      
It was observed that the sharpness of the masks was also fairly good.
      
Sharpness of the normal approximation of functionals of strongly correlated Gaussian random fields
      
Sharpness of certain Campbell and Pommerenke estimates
      
The paper is concerned with the sharpness of some well-known estimates in universal linear-invariant families of regular functions.
      
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  acutance
Conversely, one can adjust the focus of a camera using the objective measure provided by the acutance.
      
Figures 2 a and b compare the IEP acutance for two control point images where only the first is in focus.
      
In this section and the following, it is shown that acutance is a useful indicator for predicting camera calibration quality.
      
Moreover, standard deviation of acutance among the control points in a same image is related to the depth of field.
      
Since sharper images lead to better control point positions, a simple analysis based on acutance can quickly reveal focus quality or motion blur.
      
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  acuity
Best-corrected visual acuity, intraocular pressure, retinal thickness and FFA were observed.
      
The visual acuity was improved in seven eyes (43.8%) of all the 16 eyes and stable in nine eyes (56.2%), respectively.
      
Measurement of visual acuity and crowding effect in 3-9-year-old children
      
Visual acuity was measured in 140 3-9-year-old children using Landolt's rins with a gap in one of four orientations.
      
Visual acuity increased with age, reaching the adult level by approximately seven years.
      
更多          
  keenness
The increasing interest in the parasites of man in the Federal Republic of Germany is connected with the unbounded keenness of German people to travel.
      
The Lenin Jubilee - The skill and keenness of young people!
      
He owed much of his popularity to the easy harmony of his verse, the keenness of his satire, and the brilliancy of his antithesis.
      
In our earlier reports, we indicated our keenness that these experiments should be replicated under variously di ering conditions.
      
Special thanks goes to the Otago Museum for permission to photograph artifacts and for their keenness to assist this project.
      
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The diazotization reaction taking place in the titration of sulphonamides with sodium nitrite in acid medium was studied potentiometrically. Various factors such as reaction velocity, acidity, concentration, and tempreture of the reaction mixture were observed. A new internal indicator—brilliant cresyl blue was found to fulfill the requirements for this titration with a clear end point changing from blue to red. It was tested against six commonly used sulphonamides giving satisfactory result in comparison with...

The diazotization reaction taking place in the titration of sulphonamides with sodium nitrite in acid medium was studied potentiometrically. Various factors such as reaction velocity, acidity, concentration, and tempreture of the reaction mixture were observed. A new internal indicator—brilliant cresyl blue was found to fulfill the requirements for this titration with a clear end point changing from blue to red. It was tested against six commonly used sulphonamides giving satisfactory result in comparison with those by the official method. It is considered to be a suitable internal indicator for diazotization of aromatic primary amines.

作者用电位法研究六种常用磺胺类药物的重氮化滴定問題,认为本法的滴定終点銳度頗高且相近;滴定曲綫的电位突跃(鉑-甘汞电极)均在500—700毫伏左右。但在滴定到快近終点时反应速度較緩,是一般重氮化滴定引起目測法操作誤差的主要根源,故供試液磺胺浓度不宜过稀,以免終点时速度更显緩慢。增大供試液酸的浓度可提高滴定的灵敏度。在室溫下进行滴定同样能得正确結果。作者观察滴定过程中电位变动的情况而探索內指示剂,提出亮甲酚蓝能作为亚硝酸鈉滴定磺胺的內指示剂。終点变色自蓝到紅。室溫下变色范围与电位突跃完全一致,可得滿意結果。本指示剂并可能作为滴定一般具有芳香伯胺結构的化合物之用。

The study of Fresnel diffraction mode in photolithographic techno-logy of integrated circuit is described. This paper describes the definition qualityof line edge due to the gap between the mask and substrate, thus obtained the cri-teria of its optimum matching under the partial coherence condition in the firstplace. Secondly, it deals with the projective photolithography, discusses the con-trol methods of defocus and degree of illumination with sharpness of edge. In addi-tion, the quality of the straight edge...

The study of Fresnel diffraction mode in photolithographic techno-logy of integrated circuit is described. This paper describes the definition qualityof line edge due to the gap between the mask and substrate, thus obtained the cri-teria of its optimum matching under the partial coherence condition in the firstplace. Secondly, it deals with the projective photolithography, discusses the con-trol methods of defocus and degree of illumination with sharpness of edge. In addi-tion, the quality of the straight edge depends also on the focusing method. Electriceye adjusted focus give better sharpness than the human eye, it has difference ab-out 70% in the experimence of straight edge. The results may be used in electronbeam photolithography and improve the technology of LSI.

本文从菲涅尔衍射模型出发,在部分相干条件下对集成电路制造工艺所常用的光刻法的原理性限制作了研究。对于接触法光刻技术,本文给出了选择合理间隙的判据。关于投影光刻技术,通过直边衍射理论的计算和实验,得到照明相干度和调焦方式对边缘锐度的影响;发现目视调焦与光电瞄准两者在几何位置上的差别。这些结果也可适用于电子束光刻技术,从而有助于大规模集成电路的研制。

F-P resonators with higher fineness can be used to select CO2 laser lines, while those with lower fineness can be used to extend the spectral range of a tunable CO2 laser and increase its output power. In this paper, operation performances of a tunable CO2 laser with a NaCl F-P window perpendicular to the axis of the tube are analysed.

锐度较高的法布里-珀罗腔可以用来选择CO_2激光谱线,锐度较低的法布里-珀罗腔可以用来扩展可调谐CO_2激光器的谱线范围,并提高它的输出功率。本文分析了NaCl法布里-珀罗窗与管轴垂直使用的可调谐CO_2激光器的运转特性。

 
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