In the PC world, archiving and compression usually happen together by using utilities such as PKZIP.

在PC机世界中，归档文件和压缩文件通常使用PKZIP应用程序来压缩。

From the correlation with foreland basins abroad it is concluded that Sichuan basin resulted from Polydirectional compression stress.

在与国外前陆盆地对比的基础上，得出四川盆地是一个受多方向挤压应力综合作用的前陆盆地。

Inspection equipment for producing pressure containers, such as tensile ,compression and universal testing machine ,impact machine ,X-ray defectoscope.

抗拉、抗压、万能试机、冲击机、X光拍片射线探伤机等制造压力容器备。

Manipuility: South the pine lumber always is needs to carry on the compression treated timber the ideal tree seed.

南方松木一直是需要进行加压防腐处理木材的理想树种。

In fact the level of compression created within a regular pulsejet engine is very low, even by automobile standards.

事实上范围内定期pulsejet引擎创建的压缩程度很低甚至汽车标准。

Objective:To find a safe, impactful and economical nonoperative treatment in treatmen of thoracic and lumbar compression fracture.

寻找一种安全.有效.经济的胸腰椎压缩骨折的非手术治疗方法。

The number of screws in the area of the joint depends solely on the object of refixation with interfragmentary compression.

关节区域螺钉数依赖于骨折块间加压再固定目的。

Conclusion:The treatment of acupotome can obviously relieve the thebrachial plexus upper trunk of brachiplexnerve compression on scalenus and levator scapula...

小针刀能明显改善臂丛上干神经在斜角肌、提肩胛肌内的卡压,缓解疼痛。

Applies the algorithm defined by JPEG standard to digital compression of ultrasonic televiewer images according to the features of logging image.

根据测井图象的特点，将JPEG标准算法用于超声电视测井图象的压缩，取得了良好效果。

Straw, a kind of natural biodegradable material, was used as reinforced fibers for preparing nonrecurring biodegradable flowerpots by compression molding technology.

采用廉价的增强材料,以淀粉基体材料,通过模压成型制备出一次性可生物降解花盆。

A compression moulded part, which has nut inserts and flanges at both ends, is difficult to demould and set in the inserts.

塑件外侧两端各有突缘，且内嵌内螺纹嵌件，造成侧凹脱模和嵌件置入困难。

Besides, by using the active biasing circuit (linearizer) for the gate of the FET, the 1dB compression point (CP1dB) can be extended.

除此之外，通过对第二级FET的门级偏置使用主动式的偏置电路（线性处理器），电路的1dB压缩点（CP1dB）得到了很大的提高。

Based on polytrophic process of air compression and isothermal gas combustion inside the turbine, an improved gas turbine with generality Carnot cycle is suggested.

基于气体多变压缩以及等温涡轮燃烧技术,提出了一种改进的概括性卡诺循环燃气轮机,通过模型预测分析了其性能,并与传统燃气轮机进行了比较。

Methods 88 patients suffered severe open fractures associated with soft tissue crush injuries of the lower leg were treated with monolateral dynamic compression fixator.

方法采用单边动力加压式外固定器治疗小腿严重开放性粉碎骨折88例。

Stress shielding effect of the trihedral fix trough plate,trapezoid compression plate and Tianjin compression plate on the long bone measured with the electrical measuring method.

用电测法测量了三种股骨中段骨折内固定钢板（三面固定槽形板、梯形板、天津板）固定后对骨的应力遮挡效应。

The main factor of spring back density is prepressing pressure, next are compression time and compression number of times.The effect of moisture content was not significant.

回弹后密度的影响因子主要压力，其次加压时间和压缩次数，而含水率对板坯回弹密度的影响不明显。

In the compression moulding technology, preheat and prepressing procedures are added to improve the flowability of the bond and physical and mechanical properties of the product.

在压缩模塑工艺中，增加预热、预压工序，提高粘合剂的流动性和产品的物理机械性能。

During two cooling methods, whether tension stress or compression stress, the retained austenite in steel reduced with stress increasing, had become from massive to streak or filminess.

在两种冷却方式下，不论拉应力还是压应力的作用，均使组织中残余奥氏体数量减少，形貌由无应力时的块状变条状或薄膜状。

The illinium electrode produces a slim arc when used in welding.With a high level of compression, it has a bigger melting depth in medium and high currents.

钇钨电极在焊接时弧束细长，压缩程度大，在中、大电流时其熔深比较大。

Noncryogenic methods of air separation contain some of the same unit processes such as compression and clean-up, but differ in the fundamental technology to separate air into its components.

非低温空气分离方法使用一些同样的单元过程，如压缩和清洁，但在把空气分解成它的组成成分的基本技术上是不同的。