超声可能对人体造成危害，应避免长时间照射。
Ultrasound may cause harm for human body, should avoid to exposure in long time.
张女士表示，光线照射对人体饥饿和新陈代谢关系的原理仍然需要进一步的研究证明。
Ms Cheung said more research is needed to determine the mechanisms of action involved in the relationship between light exposure, hunger and metabolism.
结果在医疗照射中使用人体器官数学模型，提高了放射治疗质量控制的各项要素。
Results Use the mathematics models of human organs in medical treatment irradiation can improve many factors of quality control in the radiotherapy.
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