Of course, with the camera fixed to a tripod, the stars themselves produce concentric trails in long exposures, a reflection of the Earth's rotation around its axis.
当然用装在三角架上的照相机固定摄影，长时间曝光能拍到星星因地球自转而形成的同心圆轨迹。
Reflection will fall within a narrow wedge on the plot that is centered on its vertical axis.
反射波落在图上以垂直轴为中心的一个狭窄的楔状带内。
An analysis is made about Descartes rays of transparent round-section fibers-a special internal surface reflection rays of the fiber when parallel rays strike the fibers perpendicularly to fiber axis.
摘要分析了透明圆形截面纤维在垂直纤维轴光线照射时纱维内表面反射光的一种特殊现象—笛卡尔线现象。
Using reflection polarizing microscopy to compensate the natural optical activity, along the optical axis, we obtained the images of edge dislocations and compared it with the calculation.
在实验上采用反射偏光法抵消旋光后沿光轴观察获得了位错双折射象，并和计算结果进行了比较。
Methods According to the size of the surface of the wound, the skin flap was designed. Using the body surface reflection of the arteria dorsalis pedis as the axis.
方法以足背动脉的体表投影为轴线，根据受区创面范围大小，设计足背皮瓣。
An analysis is made about Descartes rays of transparent round-section fibers-a special internal surface reflection rays of the fiber when parallel rays strike the fibers perpendicularly to fiber axis.
分析了透明圆形截面纤维在垂直纤维轴光线照射时纱维内表面反射光的一种特殊现象？笛卡尔线现象。
For symmetry (Loch Etive) there is space enough, even if the axis of the reflection is not exactly in the middle.
为了对称(LochEtive)要有足够的空间，即使倒影的轴线不是正好在中间。
For symmetry (Loch Etive) there is space enough, even if the axis of the reflection is not exactly in the middle.
为了对称(LochEtive)要有足够的空间，即使倒影的轴线不是正好在中间。
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