screened

['skri:nd]

adj. 遮蔽的, 筛过的, 上映的
动词screen的过去式及过去分词形式

例句与用法：

In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply.

在电子学领域，一种不希望发生的低频电流，它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。

The students are carefully screened before being granted scholarships.

这些学生在接受奖学金以前都经过严格的审查。

The film has been screened in the cinema and on TV.

这部电影已在电影院及电视上放映。

The camera lens must be screened from direct sunlight.

照相机的镜头不可受到阳光的直射。