dark-field 的定义
Optics.
- of or relating to the illumination of an object by which it is seen, through a microscope, as bright against a dark background.
更多dark-field例句
- The eating disorder field remains divided over the potential efficacy of such measures.
- He wore white gloves, a dignified long black coat, and matching pants and vest, and he carried a dark walking stick.
- I thought about the mother, her fear of the dark, of the harm she feared might come to her daughters.
- Then she managed to struggle a mile through dark, rainy woods.
- “He was a brave field commander and an expert in intelligence, and in organizing popular and tribal forces,” said the eulogist.
- He distinguished himself in several campaigns, especially in the Peninsular war, and was raised to the rank of field marshal.
- We had six field-pieces, but we only took four, harnessed wit twice the usual number of horses.
- Ripperda's eye fell upon the mantle,—it was discoloured a dark red in many places, he nodded his head, and the man withdrew.
- There were two battalions, together about a thousand men; and they brought a field-piece with them.
- He glanced aside, and saw an exceedingly pretty, dark face, which looked vaguely familiar.