查询词典 angle of reflection

In this paper, the analytical formulations for every reflection point's Z coordinate are deduced by using Fermat's principle and law of reflection in the system of cylinder and cone.

以圆柱和圆锥二阶系统的反射寻迹为例，结合费马原理和反射定律，推导出各反射点Z坐标的解析表达式，从而减少了寻迹方程中未知数个数，使计算时间显著缩短，也提高了结果精度，文中给出了应用实例。

Based on the law of reflection, using the rotation polygonal mirror and the second reflection mirror, the linear scanning of laser beam is realized by the novel scan system.

根据光线反射定律，提出了采用多面转镜和二次反射面相互配合来实现光束在屏上线性扫描的系统模型。

R4The working principle of convergence reflection type photo switch is similar to that of direct reflection type one, while its projector and light receiver focus on object distance, only when the object presents to the focus can the photo switch actuate.

R3 会聚型反射式convergence reflection type 会聚型反射式的光电开关的工作原理类似于直接反射式光电开关，然而其投光器与受光器聚焦于物距离，只有当物体出现在聚焦时，光电开关才有动作。

The effects of emulsions, pigments, conventional fillers, heat-insulation fillers and film thickness on the reflection and heat-insulation properties under infrared lamp are investigated in order to find the best materials for the heat-insulation coatings. It is found that both the titanium dioxide with high refractive index and the diatomite powder with micro pores possess the optimal reflection and heat-insulation properties, calcium carbonate also has sonic heat-insulation effect. However, the filler such as meerschaum, which in theory possesses the effect, has not shown heat-insulation function.

通过研究涂料配方中所用乳液、颜料、常规填料和隔热填料在红外灯下的反射、隔热和保温性能，发现高折射率的二氧化钛和含有微孔的硅藻土具有最佳的反射和隔热保温效果，轻质碳酸钙和重质碳酸钙具有一定的隔热保温作用，而理论上具有隔热保温效果的填料海泡石等并没有预期的效果。

The central part of each reflection is called the hub of reflection, such as the cardiovascular center, respiratory center, micturition center and so on.

控制某一反射的中枢分布在中枢神经系统不同部位，有低级与高级神经中枢之分。

Then I analyze the light interaction of ink and paper by existing models, including surface reflection of ink and multiple internal reflection of paper, and light absorption and scattering and so on, this is one of stresses of this paper.

该课题就是在对印刷中油墨、纸张之间光学关系进行分析的基础上，针对光在承印物纸张中散射路径的长短而提出对已有颜色预测模型的改进，并通过实验进行了验证。

D False images caused by side lobe, multiple reflection images, and secondary reflection images

雨雪回波脉冲的旁瓣回波，多次反射回波，二次反射回波。

A method to delete multiple reflection s with high fidelity and its application in offshore seismic data processing;2. There are several factors that affect seismic data quality in the past years, such as multiple reflection s, shielding of the .

影响潮汕坳陷历年所采集的地震资料品质的主要因素有多次波、海底地形和礁体屏蔽、火成岩体干扰、不合理的采集参数以及不完善的资料处理手段等。

Taking the Kubelka-Munk laws as foundation,the light interaction of ink and paper by existing models has been analyzed,including surface reflection of ink and multiple intemal reflection of paper,and light absorption and scattering and so on,the Clapper-Yule color prediction model has been modified aiming at the two possibilities of long and short distance of light scattering in newspaper.

以Kubelka-Munk定律为基础，研究了油墨、新闻纸在印刷中墨层的表面反射、承印物纸张内的多重内反射、墨层内光的吸收和散射，针对其中的光散射距离的长短两种可能，修正了Clapper-Yule颜色预测模型，引入代表长短光散射距离的比例系数h，建立了新的颜色预测模型，计算得到h=0.43。

Long-path multiple: A seismic reflection whose travel path is much longer than required for a primary reflection from the deepest interface reached.

全程多次反射波：传播路径比来自最深界面的一次反射波路径长得多的地震反射波。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"