在管理工作中要注意哪些？
A Windows Communication Foundation (WCF) application uses a data contract that has several data members. You need the application to throw a SerializationException if any of the data members are not present when a serialized instance of the data contract is deserialized.What should you do?（） Add the KnownType attribute to the data contract. Set a default value in each of the data member declarations.。 Add the KnownType attribute to the data contract. Set the Order property of each data member to unique integer value.。 Set the EmitDefaultValue property of each data member to false.。 Set the lsRequired property of each data member to true.。
次数分布表
热液成矿作用的类型？
环比动态比率，是以每一分析期的数据与上期数据相比较计算出来的动态比率。
下列哪些属于安全监察系统的具体形式：（）
