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average wave length
相关语句
  平均波长
     When aggregate surfaces were plated by aluminum film,measurement results accorded with real condition of surface texture. Finally,roughness of aggregates surface texture was evaluated quantitatively by arithmetical mean deviation and average wave length respectively.
     通过对集料表面进行镀膜处理,使测量结果反映了集料表面纹理的真实情况,最后分别采用算术平均偏差和平均波长定量评价了集料表面纹理的粗糙度。
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  相似匹配句对
     L: wave length.
     ,当L→∞时C=-B_0(?)
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     The S-wave length shortened.
     S波深度变浅。
短句来源
     in average;
     平均为0.89d。
短句来源
     average length of hospitalization was 13.6 d;
     住院平均日数为 13 6d ;
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     the average wave height in summer is the smallest;
     夏季平均波高最小;
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  average wave length
A corrugation effect is observed in the galactic neutral hydrogen layer with an average wave length of 2 kpc and a wave amplitude of 70 pc.
      


The results inferred from the experiments of analogue modeling carried out previously have shown that two types of plastic-flow waves, "fast-wave" and "slow-wave", are induced in the lower lithosphere (including the lower crust and lithospheric mantle) under the driving at plate boundary; and both of them are the viscous gravity waves formed by the superposition of major and subsidiary waves. The major one is similar to solitary wave and the subsidiary one is traveling wave. The plastic-flow waves in the lower...

The results inferred from the experiments of analogue modeling carried out previously have shown that two types of plastic-flow waves, "fast-wave" and "slow-wave", are induced in the lower lithosphere (including the lower crust and lithospheric mantle) under the driving at plate boundary; and both of them are the viscous gravity waves formed by the superposition of major and subsidiary waves. The major one is similar to solitary wave and the subsidiary one is traveling wave. The plastic-flow waves in the lower lithosphere control the seismic activities in the overlying seismogenic layer and result in the distribution of earthquakes along the wave-crest belts. The "fast-waves" propagated with velocities in the orders of magnitude of 10 0~10 2km/yr have been verified by the wave-controlled earthquake migration, showing the "decade waves" and "century waves" with the average periods of 10.8 and 93.4yr, respectively, which are originated from the Himalayan driving boundary. According to the recognition of the patterns of the belt-like distribution of strong earthquakes with M S≥7.0, it is indicated further in this paper that the "slow-waves" with velocities in the orders of magnitude of 10 0~10 1m/yr are also originated under the compression from the Himalayan driving boundary. The strong earthquakes with M S≥7.0 are controlled mainly by the subsidiary waves, because the major waves with the duration up to 10 6yr for each perturbation are impossible to result in the accumulation of energy enough for generating strong earthquakes owing to the relaxation of the upper crust. The subsidiary waves propagate with an average wave length of 445km and, as estimated in term of the requirement of elastic energy for strong earthquakes in the crust (the constraint of energy for strong earthquakes) and the actual situation of the apparently immobile wave-crest belts (the constraint of the relative immobility of wave-crest belts), with velocities of 0.81~2.80m/yr and periods of 0.16~0.55Ma. The wave-generating time at the Himalayan driving boundary is about 1.34~4.66Ma BP for the "slow-waves", corresponding to the stage from Mid Pliocene to Mid Early-Pleistocene and being identical with one of the major tectonic episodes of the Himalayan tectonic movement. It is shown from the recognition of the wave-controlled belts of strong earthquakes that two optimal patterns of wave-crest belts are originated simultaneously from the eastern and western segment of the Himalayan arc, respectively. The overlap of wave-crest belts of these two systems are responsible for the relative concentration of energy and the formation of the seismic-energy-background zones for strong earthquakes with M S≥7.0.

根据先前相似模型实验的结果 ,在板块边界驱动下 ,沿岩石圈下层 (含下地壳和岩石圈地幔 )传播的塑性流动波包括“快波”和“慢波” ,二者均属于黏性重力波 ,并分别由主波和辅波叠加而成。“快波”以 10 0 ~ 10 2 km/a量级的速度传播 ,已为塑性流动波控制下地震迁移的研究所证实。文中根据 7级以上强震的条带状分布图像 ,证明在喜马拉雅弧驱动下还存在着波速仅为 10 0 ~ 10 1m/a量级的“慢波” ,其中对 7级以上强震起控制作用的主要是“慢波”的辅波 ,其平均波长为 4 45km ,波速为 0 81~ 2 80m/a ,周期为 0 .16~ 0 .5 5Ma。“慢波”的边界起波时间距今约 1.34~ 4 .6 6Ma ,相当于上新世中期至早更新世中期 ,与喜马拉雅构造运动的主要活跃期 (幕 )之一相吻合。以喜马拉雅弧西段和东段为波源所形成的2个“慢波”系统的波峰带相互重叠 ,为 7级以上强震的发生提供了必要的能量背景

In order to measure and evaluate aggregates surface texture quantitatively,and make a further study of asphalt mixture performance influenced by aggregates surface texture,laser profilometer was designed based on reflective fiber senor method.Six kind of aggregates surface textures were measured directly by this instrument.It was found that measurement results of surface texture were inaccurate because of ununiformity of aggregate surfaces color.When aggregate surfaces were plated by aluminum film,measurement...

In order to measure and evaluate aggregates surface texture quantitatively,and make a further study of asphalt mixture performance influenced by aggregates surface texture,laser profilometer was designed based on reflective fiber senor method.Six kind of aggregates surface textures were measured directly by this instrument.It was found that measurement results of surface texture were inaccurate because of ununiformity of aggregate surfaces color.When aggregate surfaces were plated by aluminum film,measurement results accorded with real condition of surface texture.Finally,roughness of aggregates surface texture was evaluated quantitatively by arithmetical mean deviation and average wave length respectively.

为定量测量和评定集料表面纹理状况,以进一步研究集料表面纹理对沥青混合料性能的影响,基于反射式光纤传感法设计了激光轮廓仪,并采用该仪器对6种不同集料的表面纹理进行了直接测量。试验中发现由于集料表面颜色不均匀,导致纹理测量结果失真。通过对集料表面进行镀膜处理,使测量结果反映了集料表面纹理的真实情况,最后分别采用算术平均偏差和平均波长定量评价了集料表面纹理的粗糙度。

 
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