It has been shown that the optical free induction decay in hollow slab optical waveguides has a lot of different properties from those in non-waveguides.
结果表明：与非波导情况相比，空心平板光波导中的光学自由感应衰减有许多不同的性质。
The variation of mechanical properties of OSB was analyzed under fungi decay and moist condition.
探讨和分析了室外用定向刨花板(osb)在真菌腐朽及潮湿条件下力学性能的变化规律。
It has been long established that the crimp geometry and crimp properties of synthetic staple fibers decay with the ensuring stages of processing.
长期以来大家一致承认，合成纤维的卷曲形状和性能随着加工阶段的增加而减少。
Wood density and mechanical properties were rapidly decreased with the increasing decay for larch and pine timber, the most is MOR, then crushing strength, and the density is the smallest.
落叶松和软木松木材随着腐朽程度的加重，力学性能迅速衰减，其中抗弯强度降低最为明显，其次是抗压强度，密度变化最小。
And it is also proved that all of theses properties will not decay obviously within 330 hours immersion of the above two kinds of liquid.
实验同时表明，在330小时之内的短期浸泡，人造花岗岩的理化性能未发生明显衰变。
And it is also proved that all of theses properties will not decay obviously within 330 hours immersion of the above two kinds of liquid.
实验同时表明，在330小时之内的短期浸泡，人造花岗岩的理化性能未发生明显衰变。
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