文中利用射影几何中射线比的特殊性质，解决了透视灭点在图板外的透视图画法。
According to the nature of projective scale, it has solved the problem of drawing a cars perspective when perspective vanishing point is out of the drafting board.
听诊器比X 射线、圆珠笔、《大众科学》以及你医生诊所里绝大部分物件还要古老。
The stethoscope is older than the x-ray, the ballpoint pen, Popular Science and pretty much everything else in your doctor's office.
穿浅色衣服：深色衣服会吸收太阳射线，浅色和白色衣服能够将光和热反射出去，因此深色衣服比浅、白色衣服的温度高。
Wear light colors: Darker colors will absorb the sun's rays and be warmer than light or white clothing, which reflects light and heat.
一类不寻常的对象，超亮度X射线源比恒星释放出更多的X射线，但比类星体的少。
An unusual class of objects, ULXs emit more X-rays than stars, but less than quasars.
这些射频电波比调频收音机信号要强，其强度大约相当于X射线这类致癌放射线的十亿分之一。
Stronger than FM radio signals, these RF waves are still abillionth the intensity of known carcinogenic radiation like X-rays. (See pictures from an X-ray studio.)
两项最新伽马射线天空图的观测研究表明如果此种神秘物质是粒子，则要大约是一个质子质量的44倍，比400亿电子伏还重。
Two new looks at the gamma-ray sky suggest that if the mysterious matter is a particle, it is heavier than 40 gigaelectronvolts, about 44 times the mass of a proton.
但是NICE说有证据表明针灸比昂贵的X射线治疗或注射治疗更有效，遭受困扰超过6周的患者可以尝试一下这种治疗方法。
NICE, however, say there is evidence that acupuncture may be more effective than expensive X-rays or injections, so patients who have been suffering for over six weeks should be given a choice.
Fievet在实验室中所用的射线放射性水平比福岛周围水域中的放射性要高出许多倍。
The level of radiation Fievet USES in his lab is many times higher than the radiation in the water around Fukushima.
另外，生活的准则也可以是一条比什么都直的直线，可以是一条向上的射线，更可以是一条向下的射线。
In addition, the criterion of life can also be a ratio what all straight line, can be a up ray, more can be a downward radiation.
磁共振成像仪比X射线更安全一些，但是病人们不喜欢它在扫描过程中发出的嗡嗡的噪音。
MRI scans are considered safer than X-rays but are disliked by patients to the loud buzzing noise made by the scanner as it processes images.
弯曲射线追踪反演结果比直射线追踪反演结果更符合真实情况。
Compared with straight ray tracing, inversion of bending ray tracing is better when data of test are accurate.
天文学家还探测到有一些较老较小的M型星，它们发射的X射线实际上比太阳更加光辉灿烂，而先前人们却认为它们是十分幽暗的。
Astronomers have also detected older and smaller m stars, previously thought to be quite dim, that actually outshine the sun in their X-ray emission.
研究制定了在X射线荧光光谱分析中适用于多类型地质样品的低稀释比制样技术。
A sample preparation method with low dilution factor has been applied to the analysis of geological samples by X ray fluorescence spectrometry.
射线晶体结构表明，环糊精与客体分子以1：1 的化学计量比键合。
X-ray crystallographic analysis displaces that the cyclodextrin includes guest molecule with 1:1 stoichiometry.
结果表明：该尼龙6复合材料对X射线屏蔽性能随密度、厚度增大而提高，同时遵守朗伯-比耳定律；
The results showed that the X-ray shielding of the nylon 6 composite increased as the thickness density increased. Moreover, the test results observed the Lambert-Beer law.
结论新的细胞亚系d6 R比其亲本对射线更加抗拒，并且显示出与亲本不同的细胞周期特征。
Conclusion The new subline D6-R is more radioresistant as compare to its parent D6 cell line, and has a different cell cycle distribution.
并且，含钡和铅两种金属的聚合物比只含相同量单种金属的聚合物能更好地吸收X-射线。
An interesting resut is that the copolymer containing both Ba and Pb absorbs X-ray better than the copolymers containing only Ba or Pb of the same amount.
人工合成硫酸型钙矾石和铬酸型钙矾石晶体的X射线衍射谱显示，铬酸型钙矾石的晶格比硫酸型钙矾石的稍大一些。
The lattice of chromate ettringite appears a little bigger than that of ettringite according to their X-ray diffraction patterns.
UV A射线还比uv B射线更容易的穿透云层，即使在阴暗的日子里，也有皮肤灼烧或其他皮肤损害的风险。
UVA rays also penetrate clouds more readily than UVB rays, putting those that head outdoors, even on gloomy days, at risk of a burn or other skin damage.
杜伦大学的托比Breckon正致力于自动化X射线分析，以检测客舱，乘客手拿包里的小物品。
Toby Breckon of Durham University is working on automated x-ray analysis to detect small items of the sort that might be contained in passengers' cabin and hold bags.
如此多的射线其成因仍然是个谜，因为太空的风化效应如粉尘积聚和太阳风衰减，在水星上比月球上更强烈。
The rays prevalence is a mystery because space weathering effects such as dust accumulation and solar wind attenuation should be greater on Mercury than on the Moon.
射线三维定向放射治疗作为一种精度很高的治疗技术，是提高治疗比的重要物理措施。
Beams of X of gamma rays in three dimensional (3D) conformal radiotherapy is one of very accurate treatment techniques, and also the important physical methods increased treatment ratio.
射线三维定向放射治疗作为一种精度很高的治疗技术，是提高治疗比的重要物理措施。
Beams of X of gamma rays in three dimensional (3D) conformal radiotherapy is one of very accurate treatment techniques, and also the important physical methods increased treatment ratio.
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