But there is no hard evidence proving that low dose radiation, below 100 millisieverts, is likely to cause cancer.
但没有确实的证据证明少量辐射，低于100毫西韦特，会导致癌症。
Yet, each year millions of Americans strive for that perfect tan and even spend their hard earned money to purposefully expose themselves to artificial sources of ultraviolet radiation.
然而，每年都有数百万计的美国人为完美的棕色皮肤奋斗，甚至用他们辛苦挣来的钱让他们暴露于人工的紫外线辐射源。
Peregrine Semiconductor Corp., released a new PE9309 UltraCMOS Prescaler for radiation-hardened (rad-hard) space/satellite, high-performance military and hi-rel commercial infrastructure applications.
美国Peregrine半导体公司近日发布了一款新式PE9309UltraCMOS预分频器，用于抗辐照的空间/卫星、高性能军事和高能耗商业基础设施应用场合。
Scientists at Washington University School of Medicine in St. Louis have discovered a new drug target that could improve the effectiveness of radiation for hard-to-treat cancers.
华盛顿大学圣路易斯医学院的科学家发现了一个新的药物靶点，该靶点能有效改善一些疑难癌症的放射疗法的疗效。
The hard X - ray pinhole imaging method and its application in a simple mirror for measuring the radiation properties of ECR plasma are presented in this paper.
本文描述用硬x射线针孔成象法测量简单磁镜装置中ecr等离子体辐射特性的方法及其结果。
The results of this research show that the impact of the soft surface and the hard plane on the structural natural frequencies, vibration responses and the acoustic radiation cannot be ignored.
研究结果表明：自由液面和刚性壁面对结构的固有频率、振动响应及声辐射的影响是不容忽视的。
It plans to launch a hard X-ray modulation telescope to study the matter dynamics and high-energy radiation processes in the strong gravitational field of compact celestial bodies and black holes.
发射硬x射线调制望远镜，研究致密天体和黑洞强引力场中物质动力学和高能辐射过程。
In present RFSS, system can only simulate one radiation center in one simulation cycle using single channel, which makes it hard to simulate multi - radar targets and distributed clutter.
现有的射频仿真系统在单通道中同一时间只能模拟一个辐射中心，因此难以对多目标与分布式杂波进行仿真。
The acute radiation syndrome (ARS) is hard to be, overcome as the hot medical problem.
极重度骨髓型与肠型急性放射病(ARS)一直是医学难以攻克的热点问题。
The anti-radiation weapon is a kind of hard antipersonnel weapon which discoverys, traces and destroys the radars by making use of the radar radiations.
反辐射武器是一种利用雷达辐射的电磁波，发现、跟踪并摧毁雷达系统的硬杀伤武器。
Objective: Neutron radiation can cause severe damages to the intestine which is hard to recover.
目的：中子辐射肠损伤重、难恢复，且目前尚无防治良策。
Ruixiang brand influence the radiation to the great river north and south, for to make Chinese top adornment brand and work hard!
瑞祥品牌影响力辐射全国大江南北，为打造中国顶尖装饰品牌而努力奋斗！
Ruixiang brand influence the radiation to the great river north and south, for to make Chinese top adornment brand and work hard!
瑞祥品牌影响力辐射全国大江南北，为打造中国顶尖装饰品牌而努力奋斗！
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