求翻译：实际利率在取得时确定，在该预期存续期间或适用的更短期间内保持不变。 处置时，将所取得价款与该投资账面价值之间的差额计入投资收益。是什么意思？

The effective interest rate determined upon acquisition remains unchanged, the shorter the expected duration of the applicable period. Disposal, the difference between the price and the book value of investments achieved through investment income.

正在翻译，请等待...

Real interest rate when acquisition determined, in this anticipated lasts in the period or the suitable shorter period maintains invariably. When handling, will obtain the cost to include the investment income with this investment book value between difference.

Real interest rate is determined at made, applicable in the expected duration or more within a short period remains unchanged. At the disposal of, made the purchase price and the difference between the carrying amount of the investment in the investment income.

正在翻译，请等待...