这样的破碎过程可能也限制着大质量恒星的形成。
Such fragmentation may also inhibit the formation of massive stars.
整个破碎过程缓慢进行，不会产生剧烈的震动、噪音、粉尘。
The process will slowly carry on without producing any violent shake, noises and dust.
欲设计合理的齿面结构必须研究齿面的几何形状、运动状态、受力状态和岩石破碎过程。
The geometric configuration, moving conditions and force conditions of the tooth surface and the process of rock disintegration must be studied in designing the cutting structure.
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