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- A sensor channels the light signal along an optical fibre. 传感器沿光导纤维输送光信号。
- Multiple light sources are positioned alongside the conveyor to direct light angled downwardly and from the side of the conveyor. 沿传送带放置多个光源，从传送带侧面成角度地向下引导光。
- Light signal transduction pathways are central components of the mechanisms that regulate plant development. 光信号转导途径是植物发育调控机制的中心组成部分。
- Before placing the plug into the female mold everything was sprayed with multiple light coats of the Synlube 531 releasant. 之前，把插入到女性的模具都喷上多个轻大衣的synlube 531 releasant 。
- If attenuation weakens the light signal at the receiver, then data errors will result. 假如衰减减弱接收器的光讯号，随后会导致资料错误。
- Tourists will be advised to cross the road using footbridges, pedestrian subways or light signal crossing facilities. 警方会提醒游客在设有人像灯号过路处、行人天桥或行人隧道横过马路。
- Believer: A low sun and uneven surface can distort the angles of shadows in images. And if there are multiple light sources, why does each object only cast one shadow? 支持者：高度较低的太阳以及月球凹凸不平的表面会扰乱照片上影子的角度。而且如果说有多个光源的话，为什么每个物体只有一个影子呢？
- Flow switch used to sound alarm, light signal, actuate relays or starter switches for motors, pumps, etc., when low occurs. 流量开关用于声音报警，灯光报警，当流量发生时启动电机、泵等继电器或起动器开关。
- Waterflow indicator used to sound alarm, light signal, actuate relays or starter switches for motors, pumps, etc., when low occurs. 流量指示器用于声音报警，灯光报警，当流量发生时启动电机、泵等继电器或起动器开关。
- Waterflow indicator used to sound alarm, light signal, actuate relays or starter switches for motors, pumps, etc., when no flow occurs. 流量开关用于声音报警，灯光报警，当无流量时启动电机、泵等继电器或起动器开关。
- The strength of a light signal does not diminish as much as the strength of an electrical signal does over an identical run length. 光讯号强度在相同线长度并没有和电的讯号强度减少同样多。
- Flow Switch used to sound alarm, light signal, actuate relays or starter switches for motors, pumps, etc., when no flow occurs. 流量开关用于声音报警，灯光报警，当无流量时启动电机、泵等继电器或起动器开关。
- Object: To investigate the role of retina pigmented epithelium in the transmission of chromatic light signal,then try to discuss the pathogeny of myopia. 目的：研究视网膜色素上皮细胞在有色光信号传导中的作用，试从细胞生物学水平和分子生物学水平探讨近视眼的发病机制。
- Each emitting diode is punctual to emit the infrared light signal in turn from the right diode to the left one which has a modulated frequency of 40 kHz. 各发射管自右至左分时依次发射调制频率为40 kHz的红外光信号;
- When light encounters an optical discontinuity, like an impurity in the glass or a micro-fracture, some of the light signal is reflected back in the opposite direction. 当光线遇到光学不连续，像在玻璃上的不纯物或微小的裂缝，某些光线讯号会以相反方向反射回去。
- As a result, the complete depolarization of the light signal can be realized efficiently and the stability of the system with the depolarizer achieves 1.72% . 光纤系统增加退偏器后输出稳定性达到了1.;72%25，大大提高了系统输出的稳定性。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Using multiple camera technology, as well as multiple lighting angles, 2-D systems can be fast but are sensitive to changes in color of the PCB, soldermask and paste appearance as it dries. 随着印刷焊膏的固化，采用多级摄像工艺技术、多照明角度和2-D系统，就能快速、灵敏地捕捉到PCB、焊接掩膜和焊膏外观的颜色变化。
- To detect the light signal from the planet alone, scientists first used Spitzer to measure the combined spectrum of the star and planet when the planet was close by the star. 为了探测到星系行星单独的光信号，当行星靠近主星的时候科学家们先用“斯必择”测量恒星与行星混合的光谱。
- The angle signal of the dumbbell ball torsion is magnified using light lever.In order to enhance the sensitivity and accuracy, CCD is used to probe the light signal spot. 采用光杠杆对哑铃球扭转的角度信号进行放大，由CCD对光点位置信号进行探测,以提高分析仪灵敏度和精度；
