A man of ripe age and a young girl made their appearance on the thresholdof the attic.
一个年近高龄的男子和一个年轻姑娘出现在那穷窟门口。
2
In both vacuum and atmosphere, the damage threshold and damage spot appearanceof the photovoltaic detector are discussed under single pulse or multi-pulse laser irradiation.
Computer art takes the brand-new artistic media and the style, establishes in one real and in the hypothesized between threshold, means one kind of new visual culture language the appearance.