首页
登录
职称英语
[audioFiles]2016m8x/audio_ezfj_ezflisteningd_201607_102[/audioFiles] Applica
[audioFiles]2016m8x/audio_ezfj_ezflisteningd_201607_102[/audioFiles] Applica
游客
2023-11-01
29
管理
问题
选项
答案
Applications of Lasers
Lasers have numerous applications in various fields. / They have made measurement an exact science. / Astronomers have used lasers to measure the moon’s distance from Earth to within a few centimeters. / Mappers and builders use laser technology every day. / For example, drawing a perfectly level straight line on a construction site is easy using a laser. /
Manufacturers have used lasers for years to cut and join metal parts. / And the jewelry industry uses lasers / to write on the surface of the world’s hardest substance, diamonds. / Lasers have also changed the way we live. / Super-fast Internet connections let people watch movies / and send huge amounts of information at the speed of light / Laser printers can print out forms and documents quickly and are relatively low in cost. / Laser barcode scanners have changed how stores record almost everything. / They help businesses keep track of products. / They help in storage and every detail of the supply process. /
解析
激光的用途
激光在众多领域有着各种各样的应用。激光使得测量成为一门精确的科学。宇航员利用激光把月球到地球距离的数据测量精确到厘米。此外,激光还可用于各种金属零件及特殊材料的切割和焊接等等。现在,激光已经融入了我们的日常生活并让我们的生活更加便利。
转载请注明原文地址:https://tihaiku.com/zcyy/3149133.html
相关试题推荐
[audioFiles]2016m6x/audio_ezfm_009_201606[/audioFiles]P
[audioFiles]2016m6x/audio_ezfm_017_201606[/audioFiles]
[audioFiles]2016m6x/audio_ezfm_013_201606[/audioFiles]
[audioFiles]2016m8x/audio_ezfj_ezflisteningd_201607_130[/audioFiles]Christm
[audioFiles]2016m8x/audio_ezfj_ezflisteningd_201607_129[/audioFiles]Dayof
[audioFiles]2016m8x/audio_ezfj_ezflisteningd_201607_128[/audioFiles]Pubs
[audioFiles]2016m8x/audio_ezfj_ezflisteningd_201607_127[/audioFiles]Breakfa
[audioFiles]2016m8x/audio_ezfj_ezflisteningd_201607_126[/audioFiles]Restaur
[audioFiles]2016m8x/audio_ezfj_ezflisteningd_201607_124[/audioFiles]Speechw
[audioFiles]2016m8x/audio_ezfj_ezflisteningd_201607_122[/audioFiles]Fairs
随机试题
Naturallanguageinterfacesenabletheusertocommunicatewiththecomputer
Nowadaysmanykidsareoverprotectedbytheirparents.Butisitnecessaryt
WritingaJobApplicationYourapplicationisthefirstcontactyouwillhav
TheWarsoftheRoseslastedfor______yearsandKing______wasreplacedbyKing__
______isknownasthe"OldManRiver".A、TheThamesB、TheMississippiRiverC、The
当混凝土强度等级为C30,纵向受力钢筋采用HRB335级,且绑扎接头面积百分率不
消防用砂应保持足量和干燥,如遇砂子潮湿应及时进行翻晒松动。
D
如果证券市场是有效市场,那么这个市场的特征是()。A:价格起伏不大B:价格能够
以下对于钢材性能表述正确的是( )。A.钢材的强度随着含碳量的增高而增大 B
最新回复
(
0
)