1)  focus ring
聚焦环
2)  self-focusing ring
自聚焦环
1.
Forming and suppression of self-focusing ring for circle symmetric super-Gaussian beam;
圆对称超高斯光束自聚焦环的形成与抑制
2.
In this work, the self-focusing ring originated from a rotation symmetric super-Gaussian beam (RSSGB) incident on the Nd∶glass medium is described in detail, with the aid of the numerical solution to the nonlinear paraxial wave equation.
通过数值求解非线性近轴波方程 ,详细描述了在钕玻璃介质中传输的强激光圆对称超高斯光束形成的自聚焦环 ,并展示了初始光束受到扰动引起环分裂的现象。
3.
When a CSSGLB with initial perturbations travelling in this medium, the self-focusing rings are to be broken up and form high intense filaments.
通过数值求解非线性薛定谔方程 ,详细描述了圆对称超高斯光束在 Nd:glass介质中传输形成的自聚焦环
3)  Focusing
聚焦
1.
Design of An Electronic Phased Focusing System for Digital Ultrasonic Imaging Based on FPGA;
一种基于FPGA的数字超声电子聚焦系统的设计
2.
Optical design of collimating and focusing optical system for semiconductor laser diode array;
半导体激光器阵列光束准直和聚焦系统设计
3.
Focusing intense relativistic electron beams by using high- T_c superconductor;
利用高温超导体聚焦强流相对论电子束的研究
4)  focus
聚焦
1.
The influence of thermal-lens effect on laser beam focusing;
热透镜效应对激光光束聚焦的影响
2.
Study of focused ultrasonic field of concave spherical transducer with a hole;
开口凹球面聚焦声场分析
3.
Simulating Design Method for Dual-Reflector Antenna forming Focus Beam;
可形成聚焦波束的双反射面天线仿真设计方法
5)  focalization
聚焦
1.
An analysis of the focalization modes in The Strange Case of Dr. Jekyll and Mr. Hyde;
《化身博士》之聚焦模式分析
2.
In her masterpiece To the Lighthouse,narrative time,focalization as well as interior monologue are not only manifestations of her remarkable narrative technique but also effective ways to render the inner consciousness of her characters in .
从叙述时间、聚焦方式和意识叙述方式三个层面阐述了《到灯塔去》独特的叙述艺术及其表现的崭新的现代主题。
6)  lens focusing
透镜聚焦
1.
The equipment can be used not only in welding with lens focusing,but also in cutting with off.
6m rad,为TEM00与TEM01的混合模式;三工位光路转换器的使用,提高了工作效率,增加了加工的灵活性;根据焊接和切割具体要求,设计了透镜聚焦和离轴抛物面反射聚焦两种光束的聚焦方式。
参考词条
补充资料:冲击波聚焦效应

[解释]:  核爆炸远区的弱冲击波受某些气象条件影响,使空中冲击波折向地面,产生会聚加强的现象。弱冲击波的聚焦效应主要决定于大器温度和风速随高度的变化。在某些情况下,大气对流层以下会出现温度随高度增加的温现象,有的地区和高度通常有随高度而增加的季节风、高速风等现象,导致空中冲击波的传播速度和方向发生变化,并在某一高度上折向地面,在距爆心数十到数百千米的某些空间和地面区域内会聚加强,使聚焦区内的冲击波超压大大超过该距离处正常情况下的冲击波超压。因此,在聚焦区内可听到巨大的响声、门窗玻璃、民房等建筑物会被冲击波破坏,甚至影响飞行中飞机的安全。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。