求翻译：都被灌录在固定长度的那一段胶片里。随着机器的读取，投影在黑暗中的幕布，持续放映，主演们在幕布上悲欢离合，观众在黑暗中用眼泪与他们共鸣。是什么意思？

Have been recorded in the fixed-length film in that period. With the machine read, the projection screen in the dark, continuous screenings, who starred in the screen on the joys and sorrows, tears and the audience in the dark using their resonance.

It was recorded in fixed-length film, the paragraph. With the machine readable in the dark, the projection screen, continuous showing of the lamplighters, cast their joys, and the audience in the dark, used their resonance with tears.

All makes a gramophone record in fixed length that section of films.Along with the machine read, projects in darkness theater curtain, shows continually, acts the leading role on the theater curtain the vicissitudes of life, the audience uses the tear and their sympathetic chord in darkness.

In that a film was recorded in a fixed-length. As the machine reads, the projection screen in the dark, continuous show, starring their sorrows on the screen, with the tears in the darkness and they resonate with the audience.

In that a film was recorded in a fixed-length. As the machine reads, the projection screen in the dark, continuous show, starring their sorrows on the screen, with the tears in the darkness and they resonate with the audience.