To do that the data travels from RAM along with software signals that tell the hard drive how to store that data.

为了能让数据从RAM中,到硬盘是要使用软件信号告诉硬盘,如何存储这些数据。

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So it is hard to build software that will predict how, for example, the wing will maintain its hold on the fuselage during flight.

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The backdoor could take the form of an installed program or subvert the system through what is known as a rootkit, a malicious software hard to detect.

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The software is hard-coded to create that amount over the course of decades, on a prearranged, transparent schedule.

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