聚焦目镜提供了一个尖锐的，容易阅读的规模，这是设计的半透明蓝色背景，所以你不需要有指向仪在某一个方向使您读。
Focusing eyepiece provides a sharp, easy-to-read scale, which is designed with semi-transparent blue background so you don't have to point the instrument in a certain direction to get your reading.
收敛思维分为静态收敛与动态收敛，具有聚焦性、指向性、综合性、程序性、继承性、推理性等特点。
Convergent thinking divided into static and dynamic convergence which has focus, direction and comprehensive, procedures, inheritance, and other characteristics.
收敛思维分为静态收敛与动态收敛，具有聚焦性、指向性、综合性、程序性、继承性、推理性等特点。
Convergent thinking divided into static and dynamic convergence which has focus, direction and comprehensive, procedures, inheritance, and other characteristics.
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