A wooden table is a concrete object.
一张木制的桌子是一件实在的东西。
What is both the integral and concrete object of linguistics?
语言学的又完整又具体的对象是什么呢?
Constructor injection USES a constructor to determine what type of concrete object to return.
构造函数注入利用构造函数判断要返回的具体对象类型。
It's an interesting question as to whether he really explains how a child goes from a concrete thinker to an abstract thinker, or how he goes from not having object permanence to understanding object permanence.
问题是,他是否真的解释了,儿童思维是如何从具体向抽象转变的,或是真的解释了,儿童的客体永存性概念是如何从无到有的
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