Considering the distribution of thermal stress in composite, the biggest stress exits at the sharp Angle of particle.
在复合材料中存在的热应力分布中，颗粒尖角处的应力最大。
But the material particle DNA sharp separation purification to the ultra centrifugal equipment (supercentrifuge, turned the head with appurtenance) to set a higher request.
而质粒dna的快速分离纯化又对超离心设备(超速离心机、转头和附属设备)提出了更高要求。
The particle-size classification of moving dune and semi-fixed dune was better, which showed a strong positive bias and a sharp peak.
移动沙丘和半固定沙丘分选较好，表现出极强的正偏和较尖的峰值；
The particle-size classification of moving dune and semi-fixed dune was better, which showed a strong positive bias and a sharp peak.
移动沙丘和半固定沙丘分选较好，表现出极强的正偏和较尖的峰值；
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