首页 | 本学科首页   官方微博 | 高级检索  
     检索      

Exploring the Sea
作者姓名:杨岷生
作者单位:河南长垣一中
摘    要:Thejourneytwonaval(海军)officersmadesometimeagototheverydeepestpointontheearthmakesusreal-izehowmuchoftheworldstillremainstobeexplored(探测).ThetwomenwentdownsevenmilestothebottomofthePa-cificOceaninsideasmallsteelballcalleda“bathyscaphe(深海潜水器)tofindoutifthereareanyoceancurrents(急流)orsignsoflife”.Itwasnecessarytosetoutearly,sothatthebathyscaphewouldcomebacktothesurfaceindaylight,andsobeeasilyfoundbythemoth-ershipthatwouldbewaitingforit.Thediversbeganpreparationsatdawnandsoonafterward…

本文献已被 CNKI 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号