对于车用而言，液化方法实用性有限而压缩天然气需要高压及昂贵的多级压缩设施。
For use as a transportation fuel, liquefaction is limited by practical difficulties and compression requires high pressure and an expensive multi-stage compression facility.
本文介绍离心式压缩机原理，说明多级压缩离心式冷水机组能有效避免“喘振”，可应用于冰蓄冷系统。
The principle of centrifugal chillers is introduced to verify that chillers with multiple stages can avoid surge effectively and can be used in ice storage system.
多级衍射光所引起的互调光、衍射光的压缩和交叉调制现象直接影响多色光的合成。
Multistage diffraction light produces inter - modulation light, compression and crossover modulation for the diffraction light will directly affect the composition of the polychromatic light.
针对低、高压轴流送风机及多级轴流压缩机在低流量区域的失速喘振特性及其预防措施进行了分析。
The stall surging characteristic and its prevention measure are analysed with focus on low-pressure axial fan, high-pressure axial fan and mutiple-stage axial compressor.
采用多级分布式存储体系，引入JPEG2000压缩技术，结合大型数据库，实现智能、稳定和高效的存储管理。
With the aid of lossless compression technique of JPEG2000 and SQL Server2000 database, this system is intelligent, stable and effective in storage and management of medical images.
针对规模巨大的实际配电系统，应用图的多级划分思想，提出了图的压缩算法以提高计算效率。
Since the large scale network may not be partitioned efficiently, we present a multi level method to speed up.
介绍了空调系统中的压缩机几种能量调节技术：多级控制系统、变频技术和数码涡旋技术。
This paper introduces three kinds of energy modifying technology, multi-control system, frequency conversion technology and digital scroll technology.
一种多级可调涡卷压缩装置：通过曲轴，带动一对或一对以上的涡卷盘进行压缩运作。
The utility model relates to a multi-stage adjustable scroll compression device, which drives a pair of or more than a pair of scroll dishes to carry out compression operating through a crankshaft.
介绍了国外最新开展的关于脉冲管制冷机的研究方向：无阀压缩机驱动的多级脉冲管制冷机。
The newest research direction about pulse tube refrigerator is multi-stage cryocooler driven by valveless compressor.
本发明涉及多级高压压缩设备，通常应用于生产聚对苯二甲酸乙二醇 酯（PET）瓶子。
The invention concerns an installation for high pressure compression with several stages, normally used for producing PET bottles.
针对这一情况，提出了一种基于整数小波变换和多级树集合分割编码压缩新算法。
This algorithm based on integer wavelet transform and set partitioning in hierarchical trees for controlling data's compression ratio and reconstruction difference expediently.
针对这一情况，提出了一种基于整数小波变换和多级树集合分割编码压缩新算法。
This algorithm based on integer wavelet transform and set partitioning in hierarchical trees for controlling data's compression ratio and reconstruction difference expediently.
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