查询词典 immersion lens

Lens space's fundamental group, homology and homeomorphism of lens space are studied based on the definitions.

我们可以从不同的角度对透镜空间给出 3 个图 1 透镜空间的构造过程不同的定义。

In the second half of the seventeenth century, therefore, the Galilean telescope was replaced for terrestrial purposes by the "terrestrial telescope," which had four convex lenses: objective, ocular, erector lens, and a field lens (which enlarged the field of view even further).

在下半年的十七世纪，因此，伽利略望远镜取代地面的目的，由"地面望远镜，"其中有四个凸镜头：目的，眼，竖镜头，和野战镜头。

Transmission character during free space and transform of the Gaussian beam during transmiting C-Lens is analyzed. The numerical simulation intensity distribution of decentered Gaussion beam has been presented before and after coordinate transforming of Gaussian beam in focal plane of C-Lens.

本文首先分析了基模高斯光束的在自由空间中的传输特性，以及C-Lens对基模高斯光束的变换；给出了从光纤中出射的高斯光束经C-Lens变换后，出射光的光强分布以及对其进行坐标轴变换后的光强分布。

By using Zernike polynomials to describe the wavefront distortion of beams, the propagation properties of the flattened Gaussian beams, super Gaussian beams, Gaussian beams and plane waves passing through an aberrated lens or an aberrated annular lens are studied based on the generalized Huygens-Fresnel diffraction integral.

以广义惠更斯—菲涅尔衍射理论为基础，采用Zernike多项式描述像差光束畸变波前相位，研究了平顶高斯光束、超高斯光束、高斯光束以及平面波通过像差透镜和环状像差透镜的传输。

Finally, we use Cooke Triplet and Double Gauss to be our design models. The negative index lens and traditional lens are compared in the geometric optics.

最后利用两组透镜组Cooke Triplet与Double Gauss 作为设计蓝图，把负折射率透镜与一般的传统透镜作为几何光学上的比较。

The activities of glutathione peroxidase, superoxide dismutase, catalase, the content of malonaldehyde in serum and lens were detected. At the same time, the activities of Na+-K+-ATPase, the content of macromolecular weight protein and infusibility protein in lens were detected too.

比色法测定各组血清及晶体中超氧化物歧化酶、谷胱甘肽过氧化物酶、过氧化氢酶活力和丙二醛含量以及晶体中Na+-K+-ATP酶活力、高分子质量蛋白和不溶性蛋白含量。

The formula group for the design of multi-phase micro Fresnel lens according to scalar diffraction theory was given and the transmission theory of spherical wave were used to deduce the relation of focal distance of the micro lens with spectrum resolution. According to the relation spectrum resolution is inverse proportional to focal distance given a certain incident wavelength and phase number, and the theoretic formula is consistent with reported experimental result.

光谱分辨率是评价衍射微透镜分光特性的主要指标，根据标量衍射理论，给出了多台阶位相型菲涅尔透镜的设计公式，并利用球面波的传输理论推导了微透镜主焦距与光谱分辨率之间的函数关系，得出在入射波长和位相台阶数一定的情况下，光谱分辨率与中心焦距之间呈反比；理论推导的结果与已发表的实验结果一致。

The patients underwent micro-trauma technique suture,optical iridectomy,extraction of anterior segment foreign bodies,nepheloid lens removal,and artificial lens implantation.

患者于局麻下进行急诊手术，分别行伤口显微缝合、虹膜复位瞳孔成形术、眼前段异物取出、浑浊晶状体摘出及人工晶状体植入术。

Comes with a convenient lens cap lanyard to prevent you from losing the lens cap.

带有一个方便的镜头盖挂绳，以防止你失去了镜头盖。

Firstly,to abtain the parameters of coupling system,such as the focal length and the position of the lens,computing the Gaussian lens formula,then establishing the rectangular coordinate system and constructing equation and tracing the marginal ray to compute the parameter of the radius of the image beam waist.

首先使用高斯光束的透镜变换公式计算透镜的焦距及放置位置等耦合系统的参数，然后建立直角坐标系并利用耦合系统的参数构建方程，对边缘光线追迹，计算出像方束腰半径值。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。