还有一种有趣的现象,那就是大质量年 轻星通常更趋向于分布在星团的中心部分,这一现 象被称为质量分层(mass segregation),由于星团的 年龄一般为106至10 7年,在这样短的时间内仅仅 依靠动力学演化的效应似乎难以产生这种现象,因 此质量分层现象很可能代...
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以上来源于: WordNet
The mass segregation phenomenon became more obvious at lower solid content and higher acceleration and there were density gradient in green compacts.
在较低的固相含量和较高的离心加速度下，浆料的分离现象明显，生坯中出现密度梯度。
The mass segregation effects of open clusters, including spatial mass segregation and velocity mass segregation, are of great importance for studies of formation and evolution of clusters.
对疏散星团质量分层的有关问题做了简要的评述，包括空间质量分层和速度质量分层的表现形式和探测途径，质量分层形成机制的研究现状。
Iron Fence suitable for mass production, as the roads or parks, residential segregation network, the general height of not more than 2 meters in harmony with the natural environment.
铁艺护栏网适合大批量生产，作为公路或公园小区隔离网，一般高度不超过2米，与自然环境相协调。
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