upcast

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。

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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

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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

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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

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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

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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。

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The student looked at his teacher with upcast eyes.

学生眼睛朝上看着他的老师.

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The word by his appealing look upcast.

这话,把仰天呼吁的眼光瞥向那.

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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。

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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。

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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。

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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

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