The value for the OrderDate is set by calling the Bind expression and passing to it the name of the column in the GridView's associated data source and an optional data format string expression.
OrderDate的值是通过调用Bind表达式并向它传递GridView的关联数据源中列的名称和一个可选的数据格式字符串表达式来设置的。
The weather service requires you to call the getTempRequest method by passing in a zipcode value as a string and receiving the temperature as a floating-point value in the response.
传递一个 zipcode 字符串值给天气信息服务的 getTempRequest 方法调用，最后以接收到的浮点值温度作为响应。
Two transfer mechanisms are available: passing by value (inline) and by reference.
有两个可用转换机制：通过值传递(内联)和通过引用传递。
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