以上来源于: WordNet
A. it is very hard to break a code without the code book.
没有密码本的情况下去破解密码是很难的。
The size of the code book for the pitch is enlarged in the all-voiced mode so that the pitch can be more exactly quantized.
将码字索引空间按照带通浊音度模式进行细致划分,全浊音模式下的基音周期得到了更多的码矢量,从而进一步提高了基音周期的量化精度。
I got the idea from a book... by Dan Brown, "Da Vinci Code".
我是从一本书里得到了灵感,是丹·布朗的《达芬奇密码》。
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