室内外空气的交换速度，这取决于房屋的构造、居住者的通风习惯和窗户的密封程度。
The rate of exchange between indoor and outdoor air, which depends on the construction of the house, the ventilation habits of the inhabitants, and the sealing of Windows.
如果人类社会的变革或生存方式的转换速度不能适应于生态环境的急剧恶化，饥荒和瘟疫必将不可避免地发生。
When the speed of human innovation and its transfer were not fast enough to keep pace with rapid ecological change, famine and disease became difficult to avoid.
他们攻守转换速度奇快，球员活动范围也很大。这会是一场难度颇大的比赛。
'They play fast football and move a lot, so it's going to be a difficult game.
该产品的转换速率最高可达105MSPS，在整个工作范围内具有杰出的动态性能。
The product operates up to 105 MSPS conversion rate with outstanding dynamic performance over its full operating range.
使用纳米结构材料的电致变色显示技术极大地改善了显示应用的转换速度、稳定性和性能。
Advances in electro-chromic technology using nanostructured materials have vastly improved the switching speeds, stability, and performance of display applications.
吸附交换速率主要受液膜扩散控制；
The exchange-adsorption rate is mainly controlled by liquid film diffusion;
测试表明，转换速度提高了5到10倍。
Testing has shown increased speed improvements of 5X to 10X.
转换的运算比较简单，因此转换速度快。
The operation of transformation is rather simple, so the fast speed of transformation can be achieved.
讨论了交换方向、温度和粒径对交换速率的影响。
The effects of exchange direction, temperature and the resin bead radius were investigated.
并针对转换速度和尖峰问题提出了具体的解决办法。
A concrete way to solve converting speed and top interfering is suggested.
如果这样还有翘曲问题，那么升高总的水温并降低热交换速度是有益的。
If this causes a warpage problem, it sometimes helps to raise the overall water temperature and slow the rate of heat transfer.
与我国其他近岸海域相比，桑沟湾沉积物水界面磷的交换速率相对较高。
Compared with some other domestic offshore areas, the exchange rate of PO 4-p at the sediment-water interface in Sanggou Bay was relatively higher.
个别离子的迁移率对交换速率有影响，粒子扩散系数随平衡分数而改变。
It was found that the rate of ion exchange depends on the migration of individual ions and that the particle diffusion coefficient changes with the fractional attainment of equilibrium.
试验表明采取适当的A/D定标方式，可达到很高的转换精度和转换速度。
The test indicates that with proper scaling method for A/D conversion, high conversion accuracy and speed could be achieved.
通过建立合适的深-时转换速度模型，将井间地震资料从深度域转换到时间域。
An appropriate velocity model for depth-time conversion was constructed. The data can be converted from depth domain to time domain.
同时，对它的基本原理、主要电路、转换速度和转换精度均做了较为详细的介绍。
At the same time, the detailed description of the basic principle, the main circuit, the converting speed and accuracy etc. is presented in this paper.
攻防转换速度慢、轮转换位慢、补防不积极，使对方总能在外线捕捉到投篮机会。
The other party could always catch the outside shots due to the slow offense and defense conversion, slow rotary transposition and inactive filling-in.
本文以准噶尔盆地南缘GMD地区的资料为例，阐述了时深转换速度场的建立过程。
Taking the data in GMD area of south margin of Djungar Basin as an example, the paper expounded the building process of time-depth conversion velocity field.
梯度线圈中的脉冲电流具有很高的切换速度，这必然会在周围导电部件中引起涡流。
Eddy currents will be caused in ambient conducting parts because of the rapid switch speed of current pulse in gradient coils.
直接数字频率合成器dds具有极高的分辨率、频率转换速度快、相位噪声低等优点。
Direct Digital Synthesizer (DDS) has the advantages of high frequency resolution, rapid frequency change rate and low phase noise.
层速度时深转换处理的效果，主要取决于所建立的时深转换速度模型的正确及合理性。
T he effectiveness of interval velocity time-depth conversion processing is mainly dependent on the correctness and rationality of the built velocity model of ti me-depth conversion.
具有频率分辨率高、频率切换速度快、频率切换时相位连续、输出相位噪声低等优点。
The generated signals have advantages of high frequency resolutions, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase.
在有化学反应的情形下，应根据化学反应速度与湍流交换速度的相对大小对K理论做修正；
Otherwise, the K theory should be modified according to the relative speed of reactions and turbulence .
仿真结果显示，运放开环与闭环时的频率响应、输出饱和、转换速率等特性得到了真实的反映。
The simulation results show the open-loop and closed-loop frequency responses, output saturation, and the slew-rate of operational amplifier are truly reflected by this model.
直接数字频率合成(DDS)是一种新的频率合成方法，具有频率分辨率高、切换速度快等优点。
The direct digital frequency synthesis (DDS) is a kind of new frequency synthesis method. It has high frequency resolution, fast frequency switching speed, etc.
闭环埋地换热器与周围土壤和岩石层的热量交换速率是闭环地源热泵系统设计和成功运行的关键。
It is very important to determine the heat transfer between ground heat exchanger and surrounding soil for a closed ground source heat pump.
数值计算的结果表明，半导体光放大器在全光波长转换中具有很好的线性响应特性和较高的转换速率。
The result of numerical calculation indicates that semiconductor optic amplifier has a good responding characteristic and higher conversion rate in all-optical wavelength conversion.
它的存储芯片技术较老，这意味着和最强大的美国超级计算机相比，它的各处理器数据交换速度有限。
It has older memory-chip technology, meaning it is limited in the speed with which it can move data in and out of each processor when compared with the most powerful American supercomputers.
该产品的转换速率最高可达200MSPS，具有杰出的动态性能，适合宽带载波和宽带系统使用。
The product operates up to a 200 MSPS conversion rate and is optimized for outstanding dynamic performance in wideband carrier and broadband systems.
相比于传统的数模变换器，本发明结构简单，转换速度快，在转换信号位数较多时此种优势更加明显。
Compared with traditional digit-analog converter, the invention has simple structure, quick conversion speed. The merit is superior especially for relatively more conversion signal digit.
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