Method: To choose best recipe and craft by doing experiment of face junction and survey its quality stability under the condition of chamber temperature and hasten experiment.
方法：采用正交试验的方法，选择最佳处方及工艺，并考察其室温条件下和加速试验后其质量稳定性。
Most people don't have the writing skills to craft clear, unambiguous survey questions.
大多数人没有提出清晰明确问题的写作技巧。
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