At first blush, you might think that you could simply cascade two counters together using the carry-out pin, Pin 12, from one counter to feed the clock-input pin, Pin 14, of a second counter.

初看上去，也许会考虑使用动作管脚（管脚12）从一个计数器接到第二个计数器的时钟输入管脚（管脚14），简单的级联两个计数器。

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The system could carry on the single-series refrigeration cycle, double-series refrigeration cycle and cascade refrigeration cycle through the designed regulating station.

通过设计的调节站，该装置可以进行单级制冷循环、双级制冷循环以及复叠式制冷循环。

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A reaction performed by one enzyme creates a product that stimulates another enzyme that creates a product, and stimulates another enzyme, and through this cascade of reactions you amplify and carry the signal forward.

一种酶催化生成的产物会活化另一种酶,而它催化的产物又能激活其他酶,催化反应生成另一种产物,通过这层层反应,信号被放大,并不断向前传递

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