网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
The COSPAS-SARSAT 406mhz system was adopted as an element of the GMDSS by IMO in().
A

1982

B

1980

C

1984

D

1988


参考答案

参考解析
解析: 暂无解析
更多 “单选题The COSPAS-SARSAT 406mhz system was adopted as an element of the GMDSS by IMO in().A 1982B 1980C 1984D 1988” 相关考题
考题 You are creating an ASP.NET web application that hosts several Windows Communication Foundation (WCF) services.The services have ASP.NET Compatibility Mode enabled. Users authenticate with the Web application by using a cookie-based ASP.NET Forms Authentication model.You add a service file named Authentication.svc that contains the following code segment:%@ ServiceHost Service=System.Web.ApplicationServices.AuthenticationServiceFactory=System.Web.ApplicationServices.ApplicationServicesHostFactory %You need to ensure that users can access the WCF services without having to re-authenticate.Which two configuration settings should you add? (Each is part of a complete solution. Choose two.)()A. In the system web. Extensions scripting/webServices/authenticationService element, set the enabled attribute to true.B. In the system web. Extensions scripting/webServices/profileService element, set the enabled attribute to true.C. Add a service endpoint with basicHttpBinding for the contract System.Web.ApplicationServices.AuthenticationService.D. Add a custom service behavior named AuthenticationService Type Behaviors with a service AuthenticationManager element that has service AuthenticationManagerType set to System.Web.Security.SQL Membership Provider

考题 A network vulnerability scanner is part of which critical element of network and system security?() A. host securityB. perimeter securityC. security monitoringD. policy management

考题 Cyberspace is described by William Gibson as( ) A.a function only legitimate computer operators have B.a representation of data from the human system C.an important element stored in the human system D.an illusion held by the common computer users

考题 COSPAS-SARSAT系统中,PLB工作在()频率A、1.6GHZB、406/1.21.5MHZC、121.5MHZD、406MHZ

考题 COSPAS-SARSAT卫星系统中,发射406MHZ信号的信标是()A、ELTB、EPIRBC、PLBD、A+B+C

考题 下面的文件正确吗?为什么?用IE和本章中的解析器验证你的结论。 mes.dtd <!ELEMENT message ANY> <!ELEMENT persion (name,age?,lxfs)> <!ELEMENT lxfs (#PCDATA,tel|email)*> <!ELEMENT name (first,last)> <!ATTLIST name sex (male|female) "male"> <!ELEMENT first %pc; > <!ELEMENT last %pc;> <!ELEMENT age %pc;> <!ELEMENT tel %pc;> <!ELEMENT email %pc;> <!ENTITY % pc “(#PCDATA)”> <!ELEMENT emergency EMPTY> <!ATTLIST emergency fire CDATA #FIXED "119" police CDATA #FIXED "110" hospital CDATA #FIXED "120" > mes.xml <?xml version="1.0" encoding="gb2312"?> <!DOCTYPE SYSTEM "mes.dtd"> <message> <persion> <name sex="男"> <first>li</first> <last>xiao</last> </name> <age>25</age> <lxfs> <tel>123456</tel> </lxfs> </persion> <persion> <name> <first>wang</first> <last>xiao</last> </name> <lxfs></lxfs> </persion> <emergency fire="120" police="110" /> </message>

考题 COSPAS-SARSAT系统由()组成。①Inmarsat卫星;②COSPAS/SARSAT卫星;③Inmarsat卫星和COSPAS/SARSAT卫星;(多地面站和移动站;⑤本地用户终端;.⑥406MHz卫星示位标;⑦任务控制中心;⑧搜救协调中心A、①⑤⑥⑧B、②④⑤⑥C、②⑤⑥⑦D、②⑤⑥⑧

考题 在COSPAS-SARSAT系统中PLB信标工作在()A、1.6GHZB、406/121.5MHZC、121.5MHZD、406MHZ

考题 A network vulnerability scanner is part of which critical element of network and system security?()A、host securityB、perimeter securityC、security monitoringD、policy management

考题 单选题Care and cleanliness are required when installing diesel fuel filters ().A to prevent the fuel system from becoming air-houndB to prevent the fuel system becoming clogged with dirty particlesC both of the aboveD to prevent the lubricating oil from leaking out of the filter element

考题 单选题Which of the filter/strainer units listed permits you to clean the element while leaving the system on the line?()A SimplexB DuplexC CanisterD Bypass

考题 问答题Task II(20 marks)  Directions:For this part, you are required to write a composition on The Anti-Addiction System. You should write at least 160 words and please write it on the Answer Sheet.  Now in China the anti-addiction system and a “real name checking” system have been adopted in Cyber cafes to prevent players under 18 from becoming addicted to online games. What do students think about this system? What is your opinion about this?

考题 单选题For COSPAS-SARSAT system,()usually transmit initial COSPAS-SARSAT alert.A RCCB MCCC LUTD MRCC

考题 单选题Just-in-time inventory control system ______.A is adopted in most modem industriesB is adopted only in very small companyC is adopted only by some peopleD is adopted long long time ago

考题 单选题COSPAS-SARSAT系统由()组成。①Inmarsat卫星;②COSPAS/SARSAT卫星;③Inmarsat卫星和COSPAS/SARSAT卫星;(多地面站和移动站;⑤本地用户终端;.⑥406MHz卫星示位标;⑦任务控制中心;⑧搜救协调中心A ①⑤⑥⑧B ②④⑤⑥C ②⑤⑥⑦D ②⑤⑥⑧

考题 单选题COSPAS-SARSAT系统中,发射406MHZ信号的信标是:()A ELTB EPIRBC PLBD B+C

考题 单选题If the operating element of a thermostatic valve installed in a diesel engine cooling system malfunctions, it may result in ()A a low level in the engine expansion tankB excessively high coolant pressureC improper temperaturesD malfunctioning of the jacket water heater

考题 单选题A network vulnerability scanner is part of which critical element of network and system security?()A  host securityB  perimeter securityC  security monitoringD  policy management

考题 单选题A Windows Communication Foundation (WCF) application exposes a service as a SOAP endpoint for consumption by cross-platform clients.During integration testing, you find that one of the clients is not generating the correct messages to the WCF application.In order to debug the issue and fix the communication, you need to configure the service to log messages received from the client.What should you do?()A Set an etwTracking behavior on the service and configure a listener for the System.ServiceModel trace source.B Set an etwTracking behavior on the service and configure a listener for the System.ServiceModel.MessageLogging trace source.C Enable messageLogging in the System.ServiceModel diagnostics element configuration and configure a listener for the System.ServiceModel.MessageLogging trace source.D Enable messageLogging in the System.ServiceModel diagnostics element configuration and configure a listener for the System.ServiceModel trace source.

考题 单选题COSPAS-SARSAT is intended to be used for().A distress alertingB locating 406mhz EPIRBsC storing distress signalD A and B

考题 单选题COSPAS-SARSAT系统中,遇险船的位置由()决定A 与之相接的GPSB S-EPIRB发出的121.5MHZ信号产生的多普勒频移植C S-EPIRB发出的406MHZ信号产生的多普勒频移植

考题 单选题In the COSPAS-SARSAT system distress signals are processed by()and the resulting data are forwarded to()through()communication network.A MCC/LUT/RCCB LUT/MCC/RCCC LUT/RCC/MCCD LUT/RCC/LUT

考题 单选题In which year was the COSPAS-SARSAT system established?()A 1980B 1981C 1979D 1982

考题 单选题COSPAS-SARSAT系统使用的紧急无线电示位标中只发射406MHZ信号的信标是()A ELTB EPIRBC PLBD B+C

考题 单选题The COSPAS-SARSAT 406MHZ system was adopted as an element of the GMDSS by IMO in().A 1992B 1980C 1984D 1988

考题 单选题COSPAS-SARSAT系统使用的紧急无线电示位标中,发射121.5/406MHZ信号的信标是()A ELTB EPIRBC PLBD A+B+C

考题 单选题The COSPAS-SARSAT system can provide distress alerts to the appropriate rescue authorities().A at seaB on landC in the airD throughout the world

考题 单选题The COSPAS-SARSAT system can provide distress alerts to the appropriate authorities().A anywhere in the worldB at seaC in the airD ashore