The spatial resolution of system can be measured directly or evaluated indirectly by the half width of the Fresnel reflection at the end of the fiber.

系统的空间分辨率既可以直接测量，也可以通过测量光纤末端菲涅尔反射的半宽度来间接测量。

youdao

I shelter under the stone arch of the road bridge for half an hour's quiet reflection.

我躲在公路桥的石拱下静静思考了半个小时。

youdao

In other words, the wave has gained (or lost) half a wavelength in the process of reflection.

换句话说，在反射过程中光波已获得(或损失)半个波长。

youdao

City's frustration increased when United doubled their advantage on the stroke of half-time - a cruel reflection of the first-half play.

BBC: Wayne Rooney celebrates putting Man Utd ahead in the derby

Although, if even half of what Smith alleges is accurate, self-reflection and soul-searching seem an unlikely response.

FORBES: It's the Customer, Stupid