Measurements of fluid density, viscosity, sound speed, and continuous refractive index are made downhole under reservoir temperature and pressure conditions.
所有的数据，包括液体密度、粘度、声速、连续折射率，都在井下油藏温度和压力条件下测得。
The regularities of the combustion chamber noises are analysed based on the numerous measurements obtained, and the predicted models of the total sound pressure level are also given.
根据大量的测试结果分析了燃烧室噪声的规律和总声级的预测模型。
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