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In this respect, PCM bears little resemblance to these other forms of signal encoding, except that all can be used in time division multiplexing, and the binary numbers of the PCM codes are represented as electrical pulses.

由这点来说，PCM、PWM 和 PPM 除了三者都能用於 TDM 上，以及 PCM 的确将它的代码表回脉冲以外，PCM 和它的前辈们确实很不相像。

Such marks shall indicate the tip-off phone numbers of the public security organ and of the competent department of culture.

标志应当注明公安部门、文化主管部门的举报电话。

Toccata fascinated with its dynamic story, sound richness and harmonic and rithmical ingenuity - witticism, close shape, flowing passages from one kind of technique to another, with the texture coverage over a numbers of layers, with the syncope rhythms.

托卡塔与充满活力的故事着迷，声音丰富性和独创性谐波和rithmical -俏皮话，关闭形状，流动的技术从一类到另一个通道，与超过一个数字纹理覆盖与晕厥节奏层。

It is pointed out for the first time, that if in the Chern-Simons field theory the vortex lines are knots, the Chern-Simons action itself is a topological invariant; a step further, this action is just the total sum of all the self-linking and linking numbers of knot family.

文中首次指出，当陈-Simons场论中的涡旋线是纽结时，陈-Simons作用量本身是一个拓扑不变量，并进而指出这一作用量恰是纽结族的所有Self-Linking数和Linking数之和。

Objective To study the effects of aluminum trichloride on learning memory and the numbers of cerebral neuron and granulovacuolar degenerationin the hippocampus of rats.

目的 研究三氯化铝对学习记忆及脑神经细胞数和海马颗粒空泡变性的影响。

For the first time, large numbers of people were brought into contact with the tundra.

如此众多的人接触到冻土带，这还是第一次。

For the first time, large numbers of people were brought into contract with the tundra.

这是破天荒第一次，把一大批又一大批的人送到这里来与冻土带打交道。

The function and numbers of udder gland are discussed for milk performance.

研究了吐根堡奶山羊乳房性状的变化来源和规律，对重要遗传参数进行了估计，探讨了乳腺体的功能与生产性能的关系，讨论了乳房相关性状在育种工作中的主次关系。

There are no official numbers of how many people are still unaccounted for.

究竟有多少人下落不明，目前还没有正式统计数字。

Data Mining is a worthy technology that takes potential and unbeknown information out of a huge numbers of data to guidance the practice.

数据挖掘是从大量数据中抽取出潜在的、不为人知的有用信息、模式和趋势，并用于指导实践。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。