These results are derivable from the theory of quantum mechanics.

这些结果是根据量子力学理论推导出来的。

The customer code may exist elsewhere or be derivable from other data.

客户代码可能存在于其他地方，或者可能由其他数据推导而来。

Similarly, the structure of words might be derivable from memory limitations.

同样，衍生字的结构可能从内存的限制。

When there is one harmonic source in electric power system, the harmonic component could be derivable.

当电力系统中只有一个谐波源时，各点的谐波电压可以方便的求出。

The private key should not be derivable from the public key (or at least it should take a very long time to do so).

私人钥匙应不能从公钥推导(或至少应该需要很长的时间，这样做)。