In the piece Tesla explains that the Van DE Graaff generator, developed in 1929, cannot create energy but that it can separate the charges within an atom to be stored and utilized later.

在文中，特斯拉解释了1929年开发的范德·格拉夫起电机不能创造能源，但是可以分离原子内部的电荷并以备后用的原理。

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Hashed passwords stored in a text file cannot be used to regenerate the original password, but they are potentially vulnerable to a dictionary attack.

储存在文字档中的杂凑密码无法用于重新产生原始密码，但它们可能容易受到字典攻击。

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In object-oriented programming, a memory leak happens when an object is stored in memory but cannot be accessed by the running code.

在面向对象编程中，内存泄漏发生在一个对象存储在内存中却无法在运行时访问它。有时候内存泄漏也指不断增加的内存消耗。

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But now the focus is on crop varieties than cannot be stored in this way -- such as potatoes.

CNN: Feeding the future: Saving agricultural biodiversity