The dynamic process for ion extraction in laser isotope separation is studied.
本文研究了激光同位素中离子取出的动力学过程。
The recognition of underwater laser target is a new disquisitive field, in which many problems are open, and extraction is the key problem.
激光水下目标的识别是一个崭新的研究领域，有许多问题亟待解决，其中目标提取问题是关键。
In the large optical components topography measurement system, the accuracy of measurement is greatly related to laser spot segmentation, centroid extraction and back surface spot removal.
大口径光学组件面形检测系统中，激光光斑的分割、质心提取和背表面光斑的自动剔除算法关系到系统的检测精度。
To recognize underwater target, extraction must be performed well because there is a lot of speckle noise in underwater laser images.
由于激光照射下的水下图像含有大量的散斑噪声，严重影响图像的质量。
During 3-d detection of objects with same reflectance by laser triangulation, profile extraction error may appear because of loss of stripes.
在用激光三角法对同质物体进行三维探测中，可能因为条纹缺陷等原因出现轮廓提取误差。
The paper compares the laser light strip geometric center extraction process method and the skeleton method, and adopts the skeleton method whose thinning precision is much higher.
本文通过对比激光几何中心提取法及骨架法，使用了细化精度更好的骨架法。
Abstract Objective to evaluate the efficacy of laser in situ keratomileusis (LASIK) for the treatment of ametropia after cataract extraction and intraocular lens implantation.
【摘要】目的探讨准分子激光原位角膜磨镶术(LASIK)对白内障人工晶体植入术后屈光不正的矫治效果。
Objective to evaluate the efficacy of laser in situ keratomileusis (LASIK) for the treatment of ametropia after cataract extraction and intraocular lens implantation.
目的探讨准分子激光原位角膜磨镶术(LASIK)对白内障人工晶体植入术后屈光不正的矫治效果。
Objective to evaluate the efficacy of laser in situ keratomileusis (LASIK) for the treatment of ametropia after cataract extraction and intraocular lens implantation.
目的探讨准分子激光原位角膜磨镶术(LASIK)对白内障人工晶体植入术后屈光不正的矫治效果。
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