The interest rate of T-Bills is determined at each auction, depending on what bidders are willing to pay.

短期国库券的利率在每次拍卖时由投标人的出价决定。

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In other words, the concentration of at any time is given by the initial concentration, t minus the rate constant times time.

换句话说，任意时刻A物质的浓度等于初始浓度，减去常数乘以时间。

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Our guess is that with the increasing amount of platforms for t-shirt design, these design elements will reach saturation at a faster rate than ever before.

我们推测，随着T恤设计平台大量增多，这些设计元素将会以更快的速度达到饱和。

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The problem, say Winn and Power, wasn't the strategy of selling online at cut-rate prices--it was the failure to implement Winn's revolutionary retailing vision and to utilize his talents.

FORBES: Internet hype survives even when the dot-com doesn't.

Medical science is advancing at a rate that doesn't preclude the development of a treatment, but it's not clear if it will come in time.

WSJ: Iram Leon: May the Last Marathon Be The Fastest��Gusher Marathon

And I think we should always remember that actually the worst atrocities in Kosovo occurred after Nato had started the bombing so it doesn't follow, for me at any rate, that we would have reduced the level of the carnage and the atrocities by an alternative policy.

BBC: News | BREAKFAST WITH FROST | Interview with former Foreign Office diplomat Dame Pauline Neville-Jones and Yugoslav ambassador Vladeta Jankovic