数据中的模式：对于特定的表空间或分区，数据中重复出现的模式的出现频率将决定压缩的效果。
Patterns in the data: the frequency of recurring patterns in the data determines how effective compression will be for a particular table space or partition.
声波的频率就是感觉的音调，是单位时间通过定点的压缩数目。
The frequency of a sound wave, perceived as pitch, is the number of compressions that pass a fixed point per unit time.
多重V形环填料，组合动负载，维护填料压缩，适用于使用频率高，环境严酷的应用场合。
Multiple V-ring packing, combined with live loading, maintains packing compression under high-cycle and severe service applications.
压缩资料的一种有效方法是编制频率表或频率分布。
One way we can compress data is to use a frequency table or a frequency distribution.
对于一定的恒星形成频率，金属加浓最大的区域显然受到了最大的压缩。
The regions of greatest metal enhancement for a given star-forming frequency apparently suffer the greatest compression.
禁忌频率的信息压缩技术节约了大量存储空间。
The information compression of tabu frequency reduces plenty of memory demand.
该哈夫曼压缩在频率严格的？
在传统的压缩编码技术中，采样均遵循奈奎斯特定律，该定律规定采样速率要高于原信号频率的两倍。
The Nyquist law is applied to all the conventional compression coding algorithms, which prescribes that the sampling rate must be at least as twice as the signal frequency.
网络，用于预加重高次频率的设备。右击指定去加重高频、压缩器或扩展器。
Networks, device for pre-emphasis of higher frequencies. Right-click for de-emphasis of higher freq., compressor, or expander.
多普勒不仅造成宽带水声通信信号的载波频率偏移，而且引起码元符号的展宽或压缩。
Doppler effect causes not only carrier frequency offset, but also symbol expansion or compression for wideband acoustic communication signal.
由于载流子引起的群速度色散效应，使远离饱和区工作的TW-SLA会对有频率啁啾的光脉冲产生展宽或压缩。
The chirped pulses will be compressed or broadened because of carrier-induced group-velocity dispersion when TW-SLA operates far below saturation.
对载波中的信息进行压缩的编码方式可以是载波或周期的频率调制或振幅调制。
The coding used to impress information on the wave can be a function of the frequency (the number of waves or cycles per second) or amplitude of the waves or cycles.
OFDM系统的LS信道估计可看作真实信道频率响应的一个有噪观察值，因此可采用子空间投影方法对噪声进行压缩。
The LS channel estimation of OFDM systems can be viewed as a noisy observation of the true channel frequency response, so the noise component can be compressed through subspace projecting.
讨论了用测量振动频率的方法对全封闭式压缩机进行转速的测量。
Measurement for rotative velocity of full-closed compressor by the method of measuring vibration frequency is discussed.
频谱压缩器压缩高频频带的预选择部分，并将压缩的高频频带映射到较低的有限带宽频率范围。
The spectral compressor compresses a pre-selected portion of the high frequency band and maps the compressed high frequency band to a lower band limited frequency range.
考虑到往复式压缩机振动具有振源丰富、信息干扰大的特点，利用包络解调法分离出系统固有频率成分的振动信号。
According to the character of vibration in reciprocating compressor, the vibration signal was separated from intrinsic frequencies of the system by envelope demodulation method.
的25.4 （1“）出口1.2”高频压缩驱动器项目水晶布膜清晰的高频率。
The 25.4mm (1") exit 1.2" cloth diaphragm HF compression driver projects crystal clear high frequencies.
适当调节腔的共振频率，可以使压缩效应增强或减弱。
By appropriately tuning the cavity resonant frequency, squeezing in the phase quadratures can be enhanced or reduced.
线性调频信号是通过线性频率调制获得大的时宽带宽积的一种脉冲压缩信号，具有大的带宽，因此有高的距离分辨力。
Chirp signal is a kind of pulse-compressed signal with large time-bandwidth products achieved through linear frequency modulation. It has high resolution in range because of its great bandwidth.
此法是将有限条法与传递矩阵法结合使用，一般能将频率方程压缩到二阶，对于变厚板显得更为有效。
By applying the transfer matrix method to the finite strip method the more simultaneous frequency equation is thus simplified to a two-frequency equation problem.
分析了全封闭活塞式冰箱压缩机噪声来源、传播途径以及所研究的冰箱压缩机的噪声频率特性。
The noise resources, noise propagating ways and its spectrum characteristic of a hermetic reciprocating refrigerator compressor were analyzed.
压缩机控制系统采用变频控制，其频率给定值由非线性环节来决定。
The control system of the compressor adopts frequency conversion to control, its frequency setting value is decided by the non-linear link.
研究结果表明，初始光场的压缩系数增大，崩塌和回复的频率增大，回复值减小。
When the squeezing coefficient of the initial field increases, the frequency of collapse-revival in atomic population inversion increases, and the amplitude of revival decreases.
单模腔场的压缩性质受到外加驱动场的拉比频率，腔模频率与外加相干场频率的失谐量以及腔场衰减速率的影响。
The squeezing of the single mode cavity field is influenced by the driving field Rabi frequency, the cavity-mode frequency detuning from that of a coherent external field and the cavity decay rate.
文中对刚性的动力基础，在简谐荷载的作用下，对于不同频率、不同压缩层厚度和基础埋深等动力响应进行了计算与探讨。
The forced harmonic load response of the stiff vibration foundation is studied for different frequencies, layer depths and foundation embedments.
一种提高处理的语音的可理解性和感知质量的语音增强系统，包括频率转换器和频谱压缩器。
A speech enhancement system that improves the intelligibility and the perceived quality of processed speech includes a frequency transformer and a spectral compressor.
如果压缩机(12)或真空泵(10)非常强烈地振动，那么因此能够简单地修改驱动马达(14)的转动频率以防止共振效应。
If the compressor (12) or the vacuum pump (10) vibrate too strongly, the rotative frequency of the drive motor (14) can thus be simply modified to prevent resonance effects.
如果压缩机(12)或真空泵(10)非常强烈地振动，那么因此能够简单地修改驱动马达(14)的转动频率以防止共振效应。
If the compressor (12) or the vacuum pump (10) vibrate too strongly, the rotative frequency of the drive motor (14) can thus be simply modified to prevent resonance effects.
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