But there is less research on the dynamic property of the light loop of conical refraction.
但是，锥形折射光环的动态特性却少有人研究。
Previous images of the Ring Nebula taken by visible-light telescopes usually showed just the inner glowing loop of gas around the star.
以前由可见光望远镜拍摄的星云环仅仅显示出其内部的环绕着恒星的炽热气体环。
A new serial coupled led system generating open loop nonclassical intensity correlation light field by using a technique of negative feedback is described in the paper.
报道了一种利用光电负反馈技术产生开环非经典强度相关光场的串联耦合led系统。
When a light pulse is made to follow a closed loop path in real space, the phase of the returning beam might be slightly off from the phase of light starting off at that point.
当一个光脉冲在一个真实的空间里沿着一个封闭的圆环运动，当它回到出发点时，其相位与刚出发时的相位可能会有些微的不同。
The sensing structure has the novel double Sagnac loop and WDM technology instead of traditional double light source, reducing the system error and realizing the measurement of multi disturbance.
该传感结构采用新型的双萨尼亚克环结构并用波分复用技术代替了传统的双光源结构，减小了系统损耗，实现了对多扰动的位置的测量。
The main trigger technology used in red-light systems is the induction loop.
用于红灯系统的主要触发器技术是感应线圈。
Around the traffic: traffic conditions: 43,20,02,15,26,926, airport three subway lines. MTR interchange, loop overhead, the air light, no to not.
周围交通： 交通状况：43，20，02，15，26，926，机场三线地铁一号线。地铁立交，内环高架，空中轻轨，无往不至。
Loop Back lacing looks best on shoes with thick, round LACES, especially light coloured LACES on dark coloured shoes.
环回花边期待最好的鞋厚，轮花边，尤其是浅色花边的深色鞋。
Using the feedback control technology for reference, a light path of close-loop feedback is done with the pulse laser as control signal.
借鉴反馈控制技术，由脉冲激光控制信号实现光路的闭环反馈。
Using the feedback control technology for reference, a light path of close-loop feedback is done with the pulse laser as control signal.
借鉴反馈控制技术，由脉冲激光控制信号实现光路的闭环反馈。
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