例句與造句

1. Sound ranging and flash spotting both required enemy guns to fire.
2. Flash spotting developed in parallel in the British, French and German armies.
3. Radars, like sound ranging and flash spotting, require hostile guns, etc ., to fire before they can be located.
4. The emergence of indirect fire in World War I saw the development of sound ranging, flash spotting and air reconnaissance, both visual and photographic.
5. Sound ranging was one of three methods of locating hostile artillery that rapidly developed in World War I . The others were aerial reconnaissance ( visual and photographic ) and flash spotting.
6. It's difficult to find flash spotting in a sentence. 用flash spotting造句挺難的
7. In the 20th Century technology based target acquisition devices, such as radar, and systems, such as sound ranging and flash spotting, emerged to acquire targets, primarily for artillery.
8. Where sound ranging is a time-of-arrival technique not dissimilar to that of modern multistatic sensors, flash spotting used optical instruments to take bearings on the flash from accurately surveyed observation posts.
9. The British used every method they could find to locate German guns-captured records, prisoner interrogation, air reconnaissance, wireless interception and plotting the smoke screens the Germans used when firing, as well as flash spotting and sound ranging.
10. Apart from balloons and officers'patrols, these sources continued to play their part in World War II, and their technology improved, although flash spotting became less useful as ranges increased and flashless ( or low flash ) propellants became widespread.
11. Artillery sound and flash ranging remained in use through World War II and in its latest forms until the present day, although flash spotting generally ceased in the 1950s due to the widespread adoption of flashless propellants and the increasing range of artillery.
12. "' Flash spotting "'was a military method of detecting the position of enemy guns at long range where the gun could not be observed directly, and was developed during World War I . The flashes could be observed at night as reflections from the sky.