常项的意思|常项的解释-里氏词典

常项 [cháng xiàng]

constant

这些表面的逻辑常项的这种消失，也发现于“～（ x）•～fx”的情形，它与“（x）•fx”的所说是一样的；
This vanishing of the apparent logical constants also occurs in the case of 'P(dx) .
逻辑变项进行的任何变化都不得超越逻辑常项规定的特定范围，这就是逻辑变项的确定性；
Any change of the logical changeable items should not go beyond the specific scope defined by the definite items.
（由于）过度依赖出口廉价产品，如加工海鲜和大米，该国现在还背负着巨大的贸易和收支常项的逆差。
The country now also runs big trade and current-account deficits, as it relies too heavily on exporting low-value stuff like processed seafood and rice.

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