There are, however, no interference problems with field-emission X-ray sources, so these can be used to take high-resolution pictures while treatment is proceeding.
而在场放射X射线源下就不会有这样的问题，可以在拍摄高分辨率图像的同时进行治疗。
Better X-ray equipment and protection followed fairly swiftly after the problems emerged.
在发现这些问题后，更好的X光设备和防护设备被很快开发了出来。
But X-ray imaging has its own problems, with X-rays difficult to focus or manipulate even with corrective lenses.
但是X光射线图像本身也有自己的问题，比如X光射线难于聚焦，甚至在使用矫正透镜的情况下也难于控制。
Sure, Ray. As you know, we've been working on this product for quite a while. We designed the prototype, and then we had some technical problems.
当然。雷，如你所知，我们开展这个项目已经有很长一段时间了。我们设计了模型，然后我们遇到了一些技术问题。
"During a holiday in the us I had more problems with people understanding my [British] English than I do with my colleagues and customers on mainland Europe," wrote Ray Gloster.
雷·格洛斯特写道：“有一次去美国度假就遇到了许多困难，那里的人们无法理解我的英式英语，比我无法理解欧洲大陆来的同事和客户的英语更甚。”
The time variation of the cosmic ray flux is one of crucial problems in the field of cosmic ray physics, solar geophysics and astrophysics, etc.
宇宙线强度随时间的变化，是宇宙线物理、太阳地球物理和天体物理等交叉学科中的重要问题之一。
The results given in this paper is useful for analysing the transformation of ray or beam through a complex optical system and the problems of multielement resonators.
文中所得结果能用于分析光线或光束通过复杂光学系统的变换和多元件光腔的问题。
This paper mainly research methods and technological problems that discern of drawing and recognizing fault from picture of ray-defect film with computer.
本文主要研究用计算机对射线探伤底片图像的缺陷提取与识别的方法与技术问题。
Generally it is very difficult to tackle the problems aroused from differences in crystallinity of clay minerals and preferred orientation in quantitative X-ray diffraction analysis of clay minerals.
粘土矿物X射线衍射定量分析中常遇到的结晶度差异大，择优取向不易消除等困难，目前尚无完善的解决办法。
Methods: the cervical problems of 46 divers and 30 middle school students were studied by history of the diseases, physical examinations and X-ray films taken in some of the suspected cases.
方法：对广东省46名专业跳水运动员和30名中学生进行颈椎病的病史采集及物理检查，对颈椎病可疑对象拍摄颈椎X光；
The 3d wavefront construction method ray tracing can ensure stabile and reasonable density of rays, avoid the shadow problems in those traditional methods for ray tracing.
三维波前重建法射线追踪过程中可以保证稳定合理的射线密度，克服了常规射线追踪方法存在阴影区的问题。
The crystallographic problems of two-dimensional crystal, such as the matrix expression, the symmetry and the systematic absence law of the crystal's X-ray diffraction, are studied.
对二维晶体的矩阵表示、对称性及其对X射线衍射的系统消光规律进行了研究，得到并证明了二维晶体的矩阵表示的二个定理和二维晶体对X射线衍射的系统消光定理。
Ray path tracing is a key step to apply geometrical theory of diffraction in solving the problems of high frequency electromagnetic scattering and radiating.
在高性能微波暗室技术设计中，由于静区指标较高，采用一般的几何光学技术不能进行准确计算，因此需采用几何绕射理论技术。
Ray path tracing is a key step to apply geometrical theory of diffraction in solving the problems of high frequency electromagnetic scattering and radiating.
在高性能微波暗室技术设计中，由于静区指标较高，采用一般的几何光学技术不能进行准确计算，因此需采用几何绕射理论技术。
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