简介:Wepresentanewtestingsemantics,calledfriendlytesting,whosemainpropertyisthattheinducedpreorderbetweenprocessesContaininfrisconsistentwiththeconformancerelation,andsowehave,forinstance,a+bContaininfraContaininfra+b.ThenewtheoryisstronglybasedonDeNicola&Hennessy'sworkontesting.Friendlytestsaredefinedexactlyasintheirwork,exceptthatinternalactionsarenotallowed.However,inordertoobtainthedesirednotionoffriendlytestingthisrestrictionisnotenoughandwealsohavetorelaxtheconditionstopassatest.ThusweobtainanewtestingsemanticsandanewpreorderbetweenprocesseswhichisstrictlyweakerthantherelationContaininmust.Moreover,wepresentanaltrnativecharacterizationofournewtestingsemanticsbydefiningamodificationofacceptancesets.
简介:Itsveryusualforpeopletoinvitebusinesspartnerstoadinnerorapartyforthesakeofimprov-ingrelations.Wedbetterkeepinmindtheappropriateandthuseffectivewaysofinvitingpeopletoourparties.Thefollowingexamplesmaybeofhelp.
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简介:TheChina(Shenzhen)BusinessInvitationConventionforTouristScenicSpotsandHotels’94,agreatgatheringheldforthefirsttimebyChina’stouristtrade,achievedoutstandingresultswithatotalofUS$2.048billionintroduced.ThisbusinessinvitationconventionwashostedjointlybytheNationalTouristBureauandtheShenzhenMunicipalPeople’sGovernment,inwhichover2,000representativesof274touristunitsinthiscountry’s29provincesandcities
简介:EnergyMinisterHuangYichengandhisdeteqatespaidavisittoHongKongfromDec.10to14,1990,attheinvitationofChinaLight&PowerCompanyLtd.(CLPC)andtheHongKongElectricCompanyLtd.(HKEC).Duringthevisit,thedelegationheldseveralworkingmeetingswithCLPHKEC,andtheHongKongandChinaGasCompany(HKCGC)respectively.Allthesecompanieshadshowntheirgreatinterestinfurtherstrengtheningthecooperation
简介:Dearcolleaguesanddistinguishedguests:Onbehalfoftheorganizingcommitteeofthe11thSouthChinaInternationalCongressofCardiology(SCC),itisourdistincthonortoinviteyoutoattendtheSCCCongress,whichisgoingtobeheldon9-12April,2009atDongfangHotel,Guangzhou,China.
简介:2008witnessesthe60thanniversaryofthefoundationofWorldHealthOrganization(WHO)andthe30thanniversaryoftheannouncementofAlmatyDeclaration.SponsoredbyWorldHealthOrganization,hostedbyChinaMinistryofHealthandChinaStateAdministrationofTraditionalChineseMedicineandco-organizedbyWFAS,WSMI,FIPandWFC,'2008WHOCongressonTraditionalMedicine'willbeheldinBeijingon7-9November2008,aimedatenhancingtheroleoftraditionalmedicine,reviewingtheachievementsmadebyassemblymembersinthisfield,andpromotingassemblycountriestointegratetraditionalmedicineintotheirnationalmedicalinsurancesystem,