为了把波像差的影响减少至最小，我们建议使用平行光做参考光，并用逆光路再现母全息图。
In order to decrease the wave aberration, we propose to use the parallel light as reference light, and reconstruct the master hologram by using the inverse light road.
由该图可以看出，绝大多数试验点落在线性累积损伤线上侧，表明在本文试验条件下，P91钢母材和焊材蠕变疲劳交互作用均表现为负交互作用。
From the curves we can see that most of the experiment results are above the linear cumulative damage curve, it indicates that the steel P91 is negative interaction under the condition of this thesis.
由该图可以看出，绝大多数试验点落在线性累积损伤线上侧，表明在本文试验条件下，P91钢母材和焊材蠕变疲劳交互作用均表现为负交互作用。
From the curves we can see that most of the experiment results are above the linear cumulative damage curve, it indicates that the steel P91 is negative interaction under the condition of this thesis.
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