| 单词 | ballistic camera | 
| 释义 | > as lemmasballistic camera   ballistic camera  n. now chiefly historical a camera designed for the precise photography of trajectories and other features of high velocity flight, using techniques such as high-speed multiple imaging, timed exposure with wide-angle lenses, and calibration against the night sky. ΘΚΠ society > leisure > the arts > visual arts > photography > camera > 			[noun]		 > scientific and technical heliograph1848 revolver1876 spectrograph1884 photochronograph1891 photogrammeter1891 process camera1895 gun-camera1921 microcamera1928 phototimer1942 ballistic camera1945 monorail camera1958 1945    Jrnl. Appl. Physics 16 777 		(heading)	  				The ballistic cameras. 1947    Ann. Math. Statistics 18 213  				Ballistic Cameras were used to determine horizontal x and y, and vertical z coordinates (all in feet) of an airplane traveling about 160 mph at an elevation of about 35,000 feet. 1969    Science 27 June 1513/1  				A search for optical auroras produced by the beam pulses was conducted with..visual observers, photometers, and ballistic cameras. < as lemmas | 
| 随便看 | 
 | 
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。