upcast

in this example, a new calculator object is created and upcast by being assigned to an ibasiccalculator local variable.

在这个例子中，生成了一个新的Calculator对象，并把它赋给一个IBasicCalculator局部变量实现了上溯。

investigation into the production of upcast of copper rods from copper scraps

利用废旧紫铜生产上引铸造无氧铜杆的研究

when you use the upcast operator, the compiler attempts to infer the type you are converting to from the context.

在使用向上转换运算符时，编译器会尝试根据上下文来推断出要转换为的类型。

once an object has been upcast to an interface type, only the members specified in the interface can be used.

一旦把一个对象上溯给一个接口类型，只有该接口中指定的成员才可以被使用。

when you upcast to a base interface, you can only access the members specified by that interface, just as for upcasting to base classes.

当你上溯到基接口时，你只可以访问由那个接口所指定的成员，就像上溯到基类那样。

The student looked at his teacher with upcast eyes.

学生眼睛朝上看着他的老师.

research on the key technologies of the high speed hydraulic upcast system

高速液压上抛系统的关键技术研究

there may be other calls where we have to upcast, and this technique might become cumbersome for clients of the

还有其它地方的调用，我们也得上溯造型，这种技术对于

binding to an embedded report class upcast to reportdocument

绑定到向上转换为ReportDocument的嵌入式报表类

The word by his appealing look upcast.

这话,把仰天呼吁的眼光瞥向那.

factors influencing product quality of ofc bar produced by upcast

影响上引法生产无氧铜杆坯产品质量的因素

as for the upcast operator, if the compiler cannot infer a specific target type from the context, it reports an error.

对于向上转换运算符，如果编译器无法根据上下文推断出特定的目标类型，则将报告错误。