在某些情况下特别的变化能触发一个信号——折叠的或方形的状态将激活一些其他的酶，或在细胞中打开一个通道。
In some cases the specific change triggers a signal - the folded or square position may activate some other enzyme, or open a channel in a cell.
双列塑封的信号处理集成电路BY 139平均失效率达到10.8%，方形陶瓷封装的逻辑控制电路PC 11平均失效率达到2.5%。
The average failure rate of signal processing molectron BY139 was 10.8%. And the average failure rate of logical controlling molectron PC11 was 2.5%.
相同条件下，方形天线装置比圆形天线装置接收到的感应信号强。
Under the same conditions, the inductive signal from the square antenna device is stronger than that of circular antenna.
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