遭受了三次手术以及多次辐射检查，Shaw说她已经成功瞒过了自己的儿子。
Through three surgeries and multiple rounds of radiation, Shaw says she successfully hid her cancer from her son.
对于早产婴儿，尽可能少的辐射暴露特别重要，因为他们可能需要多次辐射检查像发育不全的呼吸系统这样的问题。
In premature infants, minimizing radiation exposure is especially important because they may require multiple radiological exams for problems like underdeveloped respiratory systems.
这大概是400多次人类辐射试验中的首例试验。
That was just the first of over 400 human radiation experiments.
结果表明：在小鼠受照前多次给予香菇煮提液，有一定的预防辐射致突效果；
The results showed that the extract of Lentinus edodes had some preventive effect on radiomutation when it was given repeatedly before irradiation.
基本的单极子天线由于其本身的特性会在天线内部对馈入的信号进行多次反射，严重制约着它的辐射性能。
According to the specific characteristics of monopole antenna, feeding signal may be multi reflected at the terminals, which could seriously damage the radiation characteristics.
在本文的模型中正确考虑了光线在反射器和激光棒上的多次反射，氙灯的辐射光谱以及钕玻璃的吸收光谱。
Allowances are made for the effects of multiple reflections on the reflector and laser rod, Xe flashlamp emission spectrum and absorption spectrum of nd doped laser glass.
由于辐射声子携带能量很少，需要多次散射过程使得电、声子趋于热平衡。
Because emitted phonons carry only little energy, multiple scattering processes is needed for electrons and phonons to reach thermal equilibrium.
辐射事故照射，除大剂量急性照射情况外，更多的还有受照延续时间不等、照射水平不一的多次受照情况，甚至尚有数天内连续受照的。
Besides acute exposure of large dose, there are repeated exposures mainly in which exposure duration is unequal and dose levels heterogeneous, even exposure may continue for a couple of days.
本文用多次迭代解线性方程组的方法处理分立采样得到的光谱辐射测量数据，实现了光源光谱功率分布的复原。
In this paper, the discrete samples of the spectre-radiometer were processed by iteration method, and the restoration of spectral distribution was completed.
本文讨论了极化电磁波在随机介质中多次散射，传输和热辐射的斯托克斯矢量的辐射传输理论。
The radiative transfer theory of Stokes vectors is developed to study multiple-scattering, propagation, and thermal emission in random media.
该技术较心电图运动负荷试验有更高的敏感性和特异性，并且没有辐射，根据需要还可以重复多次试验。
The advantages of the technique include higher sensitivity and specificity compared to EKG stress testing and lack of irradiation, allowing the possibility for repeated testing as needed.
该技术较心电图运动负荷试验有更高的敏感性和特异性，并且没有辐射，根据需要还可以重复多次试验。
The advantages of the technique include higher sensitivity and specificity compared to EKG stress testing and lack of irradiation, allowing the possibility for repeated testing as needed.
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