It is a special-purpose performance improvement feature and is not recommended for general use.

它是一个特殊用途的性能改进特性，不建议普遍使用。

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Just as an MC is a special-purpose object, its definition is a special-purpose class which defines the structure and behavior of its instances.

正如MC是专用对象一样，其定义也是专用类，用于定义其实例的结构和行为。

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You will remember that the Bank of England once issued two notes of a million pounds each, to be used for a special purpose connected with some public transaction with a foreign country.

你应该还记得，英格兰银行曾经发行过两张面额分别为一百万英镑的纸币，用于与外国的一些公开交易有关的特殊目的。

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Another noteworthy structure is the special-purpose acquisition company (SPAC) which may be a key component of the next evolution.

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Yet after Enron's abuse of this structure, special-purpose vehicles have fallen into disrepute.

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Under the second scheme, the EFSF would create a set of special-purpose vehicles financed by other investors, including sovereign-wealth funds.

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