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1.In the measurements,the focal lengths of positive and negative lens are determined by the tilt angle, of the Moire fringe.
在测量中,根据莫尔条纹的斜角确定正、负透镜的焦距。收藏指正
2.We analyze the positive and negative lens effect caused by the hole theoretically and give the expression of normalized transmittance in this condition.
本文从理论上分析了因孔洞而产生的正透镜或负透镜效应并给出了归一化透过率的表达式。收藏指正
3.It is shown that there are different P_IB curves at the geometrical and real focal planes, and by a suitable choice of the parameter of negative spherically aberrated annular lens the better power/energy focusability can be achieved as compared with the annular lens without spherical aberration.
研究表明,在几何焦面和实际焦面的桶中功率曲线是不同的,选用适当参数的负球差环状透镜,可获得比无球差环状透镜更高功率/能量集中度的光束。收藏指正
4.Left-handed metamaterials (LHMs) are characterized by a negative effective permittivity and simultaneously a negative effective permeability, and present a variety of unusual electromagnetic and optical properties, such as reversed Doppler shift, Cherenkov radiation, Goos-Hanchen shift, negative refraction effect and perfect lens, etc.
左手材料(Left-handed metamaterials,LHMs)是一种介电常数和磁导率同时为负的人工复合结构材料,由于其中传播的电磁波的相速度和群速度方向相反,从而表现出一系列反常的电磁特性。 如反常Doppler效应、反常Cherenkov辐射、反常Goos-H(?)收藏指正
5.Present a variety of unusual electromagnetic and optical properties, such as reversed Doppler shift, Cherenkov radiation, Goos-Hanchen shift, negative refraction effect and perfect lens.
满足左手定则而得名。 左手材料中传播的相速度和群速度方向相反,因而表现出一系列奇异的电磁学特性,如反常Doppler效应、反常Cherenkov辐射、反常Goos-H(?)收藏指正
6.Another negative attribute of the Canon EF 180mm f/3.5 L USM Macro Lens is its slow focus speed.
另外一个180的弱点是它有极其慢的对焦速度。收藏指正
7.The electron gun for a large screen color picture tube generally employs quadrupole lens, so that the landing spot with positive astigmatism can cancel the negative astigmatism from the deflection magnetic field in certain sense.
大屏幕彩色显像管电子枪通常采用非轴对称四极透镜 ,其目的是形成一定正像散的着屏光点以抵消偏转磁场产生的负像散。收藏指正
8.Examples show that for the large-aperture and high-order asphere with f/number of 1:1.08, the root mean square (RMS) value of its residual wavefront error can be within 0.01λ by combining a simple two piece of lens and the first negative order diffracted wavefront of a CGH as a whole compensator.
通过设计实例表明,对于相对孔径为 1: 1. 08的大口径深度高次非球面,利用简单的 2片式透镜补偿器、并与计算全息的-1级衍射波相结合,系统的波前残余误差的均方根 (RMS)值可以控制在 0 .01λ以内.收藏指正
9.2. All affected individuals displayed bilateral lens opacities, and pulverulentcataract cataract with variable severity. 3. The LOD score of each selected markers ADCC in FANS family was negative. 4. An abnormal band was found by SSCP in a patient, and sequence analysis proved a deletion of CA in none coding region of GJA3 gene.
2.2 基因连锁分析:选取分布在晶状体蛋白基因(CRYAA、CRYAB、CRYBA1/A3、CRYBB1、CRYBB2、CRYGC、CRYGD)、膜运输蛋白基因(MAF)、念珠状纤维蛋白基因(BFSP2)、热休克蛋白基因(HSF4)及MAF基因上下约10厘摩(centimorgan,cM)范围内的微卫星标记;收藏指正
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