For the present experimental conditions, it is found that the flame propagation velocity is a weak function of dust concentration in cornstarch dust clouds.

在所考察的实验条件下，粉尘浓度对于玉米粉尘火焰传播速度的影响不大。

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Even weird, dusty and practically useless souvenirs (with weak manipulative qualities) have evocative function because they help us to recall the past.

甚至怪异的、布满灰尘的和毫无实际用途的纪念品(操作性较弱)由于可以帮助我们回忆过去而拥有召唤性功能。

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Stability and convergence of the model are proven by means of the weak convergence theorem of generalized function and the convolved integration theory.

由广义函数弱收敛定理和卷积理论，证明所提出的非局部连续模型具备收敛性和稳定性。

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At the same time, they must be sensitive enough to transform even weak TV signals into clear images and function in sheltered places, like garages, and at moderate speeds, such as on trains or in fast-moving cars.

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"Where we have seen certain bonds under-perform, it's normally a function of poor credit quality, weak structure or overly aggressive pricing, " he said.

WSJ: Perpetual Bond Risk Rises With US Treasury Yields

The decline is a function of several factors, but it is consistent with an outlook for weak credit demand and hence low economic growth.

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