According to the principle of focusing error for two dimensions laser galvanometer scanning, a dynamic focusing optical model for correcting this error was put forward.

针对二维振镜存在的聚焦误差问题，根据产生聚焦误差的原理，采用动态聚焦技术补偿聚焦误差。

youdao

Compared with traditional ultrasonic probe, ultrasonic phased array probe can realize transition, deflection and dynamic focusing of acoustic beam under electronic control.

与传统的超声波探头相比，超声相控阵探头可以实现电子控制下的声束平移、偏转与动态聚焦。

youdao

In this paper, the specialized techniques of electron gun for large screen CPTs are discussed. The beam forming region, main lens, convergence lens system and dynamic focusing method are analyzed.

对近年来大屏幕彩色显像管电子枪专有技术进行了讨论，系统分析了电子束形成区、主透镜、会聚透镜系统及动态聚焦方式等。

youdao

She said interventions focusing on the family dynamic and the child were more likely to make a difference and that much may depend on what children are watching and whether they were supervised.

BBC: TV time 'does not breed badly behaved children'

For example, the payoffs of focusing our priority attention on the dynamic economies of the Pacific Basin and revitalizing economic development in our own hemisphere will likely be enormous in terms of U.S. employment, global economic growth, and enhanced Western security.

CENTERFORSECURITYPOLICY: Center For Security Policy