从理论上论证了根据直接线性变换系数采用影像内定向方法进行普通数码相机方位元素解算的不可行性。
It is confirmed that it is not feasible to calculate the orientation elements of common digital camera according to the DLT indexes using image inner direction method.
采用驻波管法测定定向结构刨花板的吸声系数，分析比较了定向结构刨花板与砖、混凝土吸声性能的差异。结果表明，定向结构刨花板具有良好的吸声性能。
The sound absorption coefficiet of osb was tested by the stationary wave method. the results showed that the osb had good sound absorption property compared with brick and concrete.
这种具有晶粒定向结构的BT S极性微晶玻璃，具有较高的机电耦合系数和低的延迟温度系数，在声表面波器件上具有潜在的应用价值。
It shows that BTS polar glass ceramics with grain orientation structure have a potential application in SAW devices for their high SAW coupling coefficient and low temperature coefficient of delay.
利用该模式并结合钻柱力学三维分析，可以预测定向井井眼轨迹，还可以利用定向井井史资料，反求有关系数。
Combined with the BHA analysis, the models are used to realize the prediction of drilling trajectory and to back-calculate the related coefficients from the well history information.
这个球作为扩散光源，使测量的半球形或定向吸收率的反射系数，分别使用。
This sphere serves as a diffuse light source, which enables measurements of the hemispherical reflectance, or the directional absorptance, respectively.
这个球作为扩散光源，使测量的半球形或定向吸收率的反射系数，分别使用。
This sphere serves as a diffuse light source, which enables measurements of the hemispherical reflectance, or the directional absorptance, respectively.
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