Until this time, music notations for choirs typically used only small notes sketched above words indicating the fall or rise of voice, but not duration or note pitch.

直到这个时候，为合唱团音乐符号通常只用小票属于上述字样，勾画或语音上升，但持续时间或没有注意到球场。

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If, for example, you own a bond with a duration of four, then its value will go up about 4% if interest rates fall by a percentage point; the bond will lose about 4% if rates rise by one point.

举例来说，如果你持有的债券久期为4，那么利率下降1个百分点，该债券价值就会上升大约4%；而如果利率上升1个百分点，债券就会贬值4%。

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Output rise and fall times are TTL compatible and independent of pulse duration.

输出上升和下降时间ttl兼容和脉冲持续时间无关。

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The rise time and the peak energy and the sustained duration of some of these sounds are highly detrimental to our hearing.

某些声响的起始，高峰以及持续阶段,对我们听力的损害,是极大的。

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Also, mortgages have a duration (a calculation of the time it takes to get paid back) that is a variable, hypothetical duration that varies with prepayment speeds, so a short duration mortgage portfolio is not protection against a sudden increase in interest rates, because if interest rates rise the duration will rise which hurts the value of the bond.

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Duration measures the amount of time until a bond matures, and longer-duration bonds fall harder when interest rates rise.

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