什么是管理信息系统？
1908年，中美两国政府草拟了派遣留学生规程：自退款（庚子赔款）的第一年起，清政府在最初的4年内，每年至少应派留美学生100人。据此及所学推断可知（）。 ["中国开始由学习英日政体转向美法政体","美国试图以教育为工具增强对华影响力","列强对《辛丑条约》赔款的分配有分歧","中美合作开启了中国人赴美留学的历程"]
You are creating a Windows Communication Foundation (WCF) service that accepts claims-based tokens. You need to ensure that the service can use claims from trading partners even though there are variations on naming for the same elements.Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)（） [" Register a custom Service Authorization Manager that implements Check Access. In this method, use System.Convert.ChangeType to transform the incoming claim set to a WindowsClaimSet type."," Apply a PrincipalPermission attribute on the operation with the required claims listed in the Roles property."," Within the operation, verify the presence of the required claims in the current AuthorizationContext."," Register an AuthorizationPolicy that maps external claims to an internal ClaimSet."]
静力压桩法沉桩过程中要认真记录桩入土深度和下列哪项的关系（） ["标高","贯入度","垂直度","压力表读数"]
网络管理的功能是什么？
简述希波战争中希腊胜利原因。
