Iridium (Ir): If iridium sounds familiar, that might be because there’s a group of communications satellites named after this element, a hard, brittle and dense metal.
铱：如果铱听起来让你觉得熟悉，那可能是因为很多通讯卫星都是以这种硬而脆的大密度金属元素命名的，也可能是因为恐龙在白垩纪末从地球灭绝，与铱有关的缘故。
A unit of matter, the smallest unit of an element, having all the characteristics of that element and consisting of a dense, central, positively charged nucleus surrounded by a system of electrons.
物质的单位、元素的最小单位，有该元素的全部特征，由中部密集的、带有正电的原子核及绕原子核的一系列电子组成。
In addition, typed arrays are dense, that is, every index in the allowed range refers to an element.
此外，类型化数组是“稠密的”，即在允许的范围内的每个索引都引用一个元素。
It seemed as if I might next cast my line upward into the air as well as downward into this element which was scarcely more dense.
我仿佛会接着把钓丝往上甩，甩到天空里去，正如我同时把钓丝垂人这密度未必更大的水的元素中去的情况一样。
In the mesh generation of the finite element computation, the transition elements connecting the dense and sparse meshes have great effect on the precision of the computational results.
连接密网格与疏网格的过渡单元对有限元计算结果的精度有较大的影响。
In the mesh generation of the finite element computation, the transition elements connecting the dense and sparse meshes have great effect on the precision of the computational results.
连接密网格与疏网格的过渡单元对有限元计算结果的精度有较大的影响。
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