人们的目光一直追随着这些线条直到会聚点。
The eye tends to follow these lines to the point where they converge.
人们的目光一直追随着这些线条直到会聚点。
The eye tends to follow these lines to the point where they converge .
光学元件表面在折射时都存在反射，从而存在设计意图之外的杂散光，其会聚点即所谓鬼点。
When light inputs the surface of optical elements, there is reflection as well as refraction, so ghost light come into being, its focus is called ghost image.
多个线条的聚合表示深度范围和距离。栅栏或马路向远方的延伸会聚成一点，给人们造成扁平的二维图像有着三维的深度这样的假象。
Lines that converge imply depth, scale and distance - a fence or roadway converges into the distance provides the illusion that a flat two-dimensional image has three-dimensional depth.
有象散存在时甚至很窄的平行光束都不能会聚在一点。
Under astigmatism even narrow parallel light beams will not combine into one point.
会聚透镜使光线会聚于一点，即焦点。
A convex lens causes rays to converge on a single point, the focal point.
至少有一个非球面透镜位于球面透镜和印刷版面之间，用于将激光聚焦或会聚到一个所需点上。
At least one aspherical lens is arranged between the spherical lens and the printing form, for focusing or converging the laser light onto a desired spot.
他们每只眼睛都能单独的运动，不过，当他们盯上猎物的时候，两只眼睛会聚焦在一点上。
They are able to move each eye independent of the other, but will focus both eyes in the same direction when they spot prey.
会聚透镜使光线会聚于一点，即焦点。
菲涅耳波带片可使入射光会聚起来，产生极大的光强，使点光源形成一系列的实像点和虚像点，其作用如同透镜成像。
Fresnel's plate can focus incident rays producing very strong brightness the function of which resembles lens forming images.
摄像机会聚焦入侵点并记录现场，使保安人员立即核实该报警条件是否代表真正的威胁。
A camera focuses on the point of the intrusion and records the scene, allowing personnel to immediately verify if an alarm condition represents a real threat.
摄像机会聚焦入侵点并记录现场，使保安人员立即核实该报警条件是否代表真正的威胁。
A camera focuses on the point of the intrusion and records the scene, allowing personnel to immediately verify if an alarm condition represents a real threat.
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