从能量角度用数量级估计的方法分析数种重要的感度试验数据，提出临界热能密度的概念。
Data on several important sensitivity tests are analyzed again by a method of magnitude order estimation, then a concept on the critical thermal energy density is formulated.
双层中密度纤维板和阻尼减震材料的设计，比使用单层中密度纤维板，能减少一个数量级以上的箱体共振。
Combining the dual MDF panels with this dampening compound reduces cabinet vibration by an order of magnitude over just the MDF alone.
至2000年的141年间，地面和空间实验、天体和宇宙观测检验相对论性引力理论的精密度均改进了三个数量级。
During the 141 years to 2000, the precision of laboratory and space experiments, and astrophysical and cosmological observations on relativistic gravity have improved by 3 orders of magnitude.
该方法不仅可以对任意功率密度分布的激光进行热作用计算，而且计算速度比相同精度的传统数值计算快两个数量级以上。
These methods do not only allow us to calculate for any kind of beam energy repartition but also with a speed 100 times quicker than with traditional numerical methods.
该方法不仅可以对任意功率密度分布的激光进行热作用计算，而且计算速度比相同精度的传统数值计算快两个数量级以上。
These methods do not only allow us to calculate for any kind of beam energy repartition but also with a speed 100 times quicker than with traditional numerical methods.
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