The steady thermal performance of PQFP was studied under harsh environment, and factors effecting on the inner and outer thermal resistances were analyzed.
对PQFP在机载恶劣环境下的稳态热性能进行了研究，分析了影响元件内、外热阻的各种因素。
The steady thermal performance of PQFP was studied under harsh environment, and factors effecting on the inner and outer thermal resistances were analyzed.
对PQFP在机载恶劣环境下的稳态热性能进行了研究，分析了影响元件内、外热阻的各种因素。
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