Gas reactors require enrichments in the order of up to 20%. So we need to fabricate the uranium into pellets which are clad in zirconium tubes which are placed into the reactor core.
气体反应堆要求充实，以此能，达到20%，所以，我们需要制造出在芯块中的铀，那是锆管道的金属外壳，那被放置入一个反应堆核心里去。
The Cu Pb clad samples were used to simulate the strands with liquid core and the deformation characteristics of the sample in the rolling process were investigated by visio plasticity (mesh) method.
用视塑性(网格)方法研究了铜复铅芯模拟样品轧制时的变形行为，与无铅芯的样品进行了比较，由此了解带液芯连铸坯轻压下时的变形特征。
The efficiency of coupling between DH lasers and tapered launchers with singlecore, clad-core and double core has been calculated by using skew ray tracing technique.
用非子午面光线追迹法，对单芯锥、套层锥以及双芯锥光纤和DH激光器的耦合效率，双芯锥的分光比做了数值计算。
The third generation techniques such as light propagation control achieved by refractive index distribution in core and clad are promising.
利用纤芯和包层中的折射率分布实现光传输控制等先进技术被认为是第三代显微学中的激光技术。
Fibers offer exceptional transmission in tight bends, with a high core-to-clad ratio and numerical aperture of 0.37.
纤维在急弯下提供特殊的传输，具有高核心覆盖比率和0.37的数值孔径。
Fibers offer exceptional transmission in tight bends, with a high core-to-clad ratio and numerical aperture of 0.37.
纤维在急弯下提供特殊的传输，具有高核心覆盖比率和0.37的数值孔径。
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