这类手术需要恒定的X光，并且需要耗费很长时间才能完成。 手术过程中放射出的X光会对医生造成有害辐射，在手术过程中必须要求医生穿上防护性背心。
This type of surgery involves constantx-rays and can take a long time to complete, exposing the physician toharmful radiation and mandating that they wear a heavy protective vestwhile operating.
弱光放大达到准稳态之后的下降过程为瞬态能量转移的时间指数衰减过程与光散射引起的能量耗散的共同贡献。
The decrease of the amplified light intensity after the steady-state is due to the decreases of the transient energy transfer with time and the energy dissipation caused by the beam fanning.
光作用过程的时间特性在很大程度上决定了卤化银材料性能的优劣。
The time characters of the photon action process determine the quality of the silver halide material to a great degree.
讨论了初始光场为压缩态、原子光场耦合系数随时间变化情形下双光子过程J C模型的量子统计性质。
The quantum statistical properties of two photon Jaynes Cummings model with a time dependent atom field coupling coefficient are discussed under the initial squeezing state of the light field.
紫外光加速老化过程中试样拉伸强度、断裂伸长率随组成、光照时间的变化关系；
The relationships of the tensile strength and elongation at rupture and with composition and lighting duration of PE plastics filled with starch were also discussed.
采用时间演化算符和数值计算方法，研究了两全同二能级纠缠原子与二项式光场相互作用过程中光场的量子特性。
The quantum properties of light in the system of two coupling atoms Raman interacting with single-mode squeezed vacuum field in Kerr medium are studied by means of quantum theory .
采用信标光是完成卫星激光通信捕获过程的一种重要手段，信标光的远场分布对捕捉概率和捕获时间有较大的影响。
Using a beacon in the free space laser communication system is an important method of finishing the acquisition course.
采用信标光是完成卫星激光通信捕获过程的一种重要手段，信标光的远场分布对捕捉概率和捕获时间有较大的影响。
Using a beacon in the free space laser communication system is an important method of finishing the acquisition course.
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