The natural frequency, quality factor, first mode of fold beam and Young's modulus of the double linear vibratory gyroscope were measured by the new setup.

并用此方法测量了双线性振动陀螺的固有频率、品质因子、—阶模态振型和杨氏模量。

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Melting experiments validate that the content of high temperature form water is the most important factor influencing the quality of the natural quartz.

熔制实验证明：高温水的含量是影响天然石英质量的最主要因素。

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The evaluation result showed that Zhangjiajie tourism environmental quality was overall very good and the natural ecological environment was biggest factor affecting the tourism environmental quality.

结果显示：张家界旅游环境质量总体上是好的，自然生态环境对旅游环境质量影响最大。

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