题目内容

In the international technology trade, the holders always transfer the ownership of the technologies. [ ]

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In international technology trade, the inquiry can be oral or written forms.[ ]

In license trade, the improved and developed technologies belong to the licensors. [ ]

The price of the sole license contract is lower than the simple license contract.[ ]

同一条无差异曲线上的不同点表示( )。

A. 效用水平不同,两种商品的组合比例也不相同;
B. 效用水平相同,两种商品的组合比例也相同。