anaerobic
发表于 2025-3-23 13:39:49
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Mammal
发表于 2025-3-23 14:00:21
Molecular Biology in EmbryologyFiber-optic transmission can be implemented wherever coaxial cable or wire-pair transmission is used. Its areas of present and future application extend all the way from the subscriber loop. to transoceanic cables..
横截,横断
发表于 2025-3-23 20:01:56
A Hardware View of Biological OrganizationThe North American public switched telephone network (PSTN) has been evolving from a fully analog network toward one that is expected to approach a fully digital network.
BOOST
发表于 2025-3-23 22:22:28
Digital Transmission,The objective of digital transmission, as applied to telephony, is to convey digital voice and nonvoice signals at sufficiently low bit-error ratios (b.e.r.) to assure satisfactory performance from the users’ viewpoints. The bit error ratio is defined as the ratio of erroneous bits in a bit sequence to the total number of bits in that sequence.
FILTH
发表于 2025-3-24 05:27:04
Fiber-Optic Transmission,Fiber-optic transmission can be implemented wherever coaxial cable or wire-pair transmission is used. Its areas of present and future application extend all the way from the subscriber loop. to transoceanic cables..
induct
发表于 2025-3-24 10:22:24
The Evolving Switched Digital Network,The North American public switched telephone network (PSTN) has been evolving from a fully analog network toward one that is expected to approach a fully digital network.
remission
发表于 2025-3-24 14:28:11
Biological Evolution of Microorganismsue so for the foreseeable future. As the world has been increasingly compressed in size through television and telecommunications, the trend of telephony standards has been toward enabling worldwide application rather than having each national network go its own way. While national networks still ar
使人入神
发表于 2025-3-24 17:16:44
Instinct as Form: The Challenge of Bergsonform to a series of ones and zeros. A multitude of speech digitization methods has been devised; these methods can be categorized as waveform, parametric, and hybrid coding. A . takes the actual waveform and produces a series of ones and zeros representative of that waveform according to a set of ru
nocturia
发表于 2025-3-24 21:46:10
Self-Organized Arrays of Gold Nanoparticlesaveform’ s instantaneous behavior. This means that the waveform does not have to be speech; in fact it can be analog data or a signaling tone. The simple process of sampling and quantizing a waveform might be called “brute force coding.” It is done independently of any special characteristics the in
RACE
发表于 2025-3-25 02:51:20
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