During designing stable temperature field and selecting rational technology parameter and annealing process, perfect crystal was grown.
可通过设计合理而稳定的温场，选择最佳工艺参数及退火处理等方法，减少热应力而引起的晶体开裂。
Based on them, the intensity parameters and crystal field parameter of Eu3 + were obtained.
并由此计算了强度参数与晶场参数。
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