深孔爆破指炮孔直径小于或等于100mm, 深度小于或等于5m 的爆破作业
更新时间:2024-11-17 04:40:11 1、正确错误
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Ifanearthquakeoccurred，someoftheone-storeyhouses________.
Inthe1970soilwasdiscoveredin________,buttherevenuefromoildidnotcreateaneconomicforBritain.
ThethreePuritantraditionsare________.
Iunderstoodfromherthatyouundertookotherimportantwork______.
Directions:TranslatethefollowingparagraphintoChinese.
Cyberspace,ofcourse.isbiggerthanatelephonecall.Itencompassesthemillionsofpersonalcomputersconnectedbymodems-viathetelephonesystem-tocommercialonlineservices,aswellasthemillionsmorewithhigh-speedlinkstolocalareanetworks,officeE-mailsystemsandtheInternet.Itincludestherapidlyexpandingwirelessservices:microwavetowersthatcarrygreatquantitiesofcellularphonesanddatatraffic;communicationssatellitesstrunglikebeadsinthegeosynchronousorbit;low-flyingsatellitesthatwillsooncrisscrosstheglobelikeangrybees,connectingfolkstoofar–flungortoomuchonthegotobetetheredbywires.Somedayevenourtelevisionsetsmaybepartofcyberspace,transformedintointeractive“teleputers-calledfull-servicenetworksliketheonesseveralcable-TV”bysocompanies(includingTimeWarner)arebuildingalongtheoldcablelines,usingfiberopticsandhigh-speedswitches.
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