更多“The goals for secondary education are（）from those for higher education.”相关的问题
A、A.a 30 second on 30 second off alternating signal B、B.the continuous blast of the ships whistle for not less than 10 seconds supplemented by the continuous ringing of the general alarm bells for not less than 10 seconds C、C.an intermittent ringing of the general alarm for not less than ten seconds D、D.announced over the PA system
A、Create one FindCriteria object for each interface and set the Duration of each FindCriteria to 30 seconds. Call the FindAsync method of the DiscoveryClient class twice, one time for each of the FindCriteria objects, to search for the services. B、Create one FindCriteria object for each interface and set the Duration of each FindCnteria to two seconds. Create a loop that calls the Find method of the DiscoveryClient class to search for the services. Within each loop iteration, call the Find method of the DiscoveryClient class once for each of the FindCriteria objects. Run the loop until a service is found or 30 seconds pass. C、Create a single FindCriteria object and add both interfaces to its ContractTypeNames collection. Set the criteria's Duration to two seconds. Create a loop that calls the Find method of the DiscoveryClient class to search for the services. Within each loop iteration, call the Find method of the DiscoveryClient class to search for the services Run the loop until a service is found or 30 seconds pass. D、Create a single FindCritera object and add both interfaces to the ContractTypeNames collection. Set the Duration to 30 seconds and use the FindAsync method of the DiscoveryClient class to search for the services.
A、3 seconds for DIS; 9 seconds for non-DIS B、9 seconds for DIS; 3 seconds for non-DIS C、10 seconds for DIS; 3 seconds for non-DIS D、10 seconds for all routers
A、a continuous ringing for 10 seconds B、one short ring followed by one long ring C、two long rings of at least 20 seconds D、a continuous ringing until the fire is extinguished
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