As long as there are lumens and area, the screen brightness value can be calculated.

只要有流明和面积，就可以计算得出屏幕亮度数值。

Lumen is the international unit of luminous flux.

流明是光通量的国际单位。

There is a layer of mucous membrane in the intestinal lumen.

肠道内腔内有一层粘膜。

Reconnect main lumen to suction source.

请将主腔管道连接吸引源。

The innermost region of cotton is called lumen.

棉纤维的最内层组织叫中腔。

One solution flows through the central lumen of the fibers.

一种溶液从纤维的中心腔流过。

MPR could display mural thrombus, flap, true and false lumen.

MPR可较好显示附壁血栓，真假腔和内膜片。

Each has an opening to the colonic lumen through a narrow neck.

每个憩室有一个窄的开口通向结肠腔。