查询词典 compression

Lossy compression reduces the quality of your music but results in much smaller file sizes.

Lossy compression有损压缩是一种用音质来换存储空间的压缩方法，这种方法可以尽可能的减少文件所占的存储空间，但代价是音质的损失。

The block-based fractal image compression method has a low compression ratio, so simple region-based fractal image compression is introduced, then the competitive region-based fractal image compression method is presented. The experimental results show that the compression ratio is effectively improved at a similar PSNR value.

由于基于块的分形图像压缩方法的压缩比不高，对此进行改进，先介绍简单的基于区域的分形图像压缩，然后提出基于区域的竞争分形图像压缩算法，并进行实验，实验结果表明，该方法在保持一定的信噪比的情况下，有效的提高了压缩比。

SUMMARY Objective: To introduce an internal fixation of the latest design for peritrochanteric fracture , a new device for clinical application, called Biaxis Sliding Instrument ; Summary the clinical results of femoral neck fracture treated with dynamic compression screw . Analyse factors related to the clinical results and the failure of treatment. Methods: Apply BSI to biomechanical tests and clinical test.

目的：介绍一种设计新颖治疗股骨转子部骨折的双轴滑动内固定器(Bi-axis Sliding Instrument，BSI)，为临床治疗股骨转子部骨折提供一个新的内固定法；评价动力加压螺钉(Dynamic Compression Screw，DCS)股骨颈骨折的治疗效果，分析与股骨颈骨折疗效相关的因素及总结股骨颈骨折治疗失败的因素，为提高临床疗效及降低内固定失败提供依据和措施。

An asynchronous coupling method is proposed to reduce the walkoff effect, and the results show that asynchronously coupling of the bright pulse with the dark soliton can efficiently improve the bright pulse compression relative to the synchronous coupling method.

还发现，若采取本文提出的非同步耦合法，则可以明显地弥补离散效应对脉冲压缩的影响，从而有效地改善脉冲压缩效果。标签脉冲离散交叉相位调制脉冲压缩非同步耦合 pulse walkoff cross phase modulation pulse compression asynchronous coupling

Objective: To observe effects of locking compression plate in treatment of fracture of femur.

目的：探讨锁定加压钢板系统(locking compression plate，LCP)治疗股骨骨折的疗效。

Objective To evaluate the therapeutic effect of locking compression plate for unstable fractures of distal radius.

目的 探讨锁定加压钢板（locking compression plate，LCP）在桡骨远端骨折治疗中的应用效果。

Objective To summarize the experience of using locking compression plate in the treatment of distal radius fractures.

目的 总结应用锁定加压接骨板（locking compression plate，LCP）治疗桡骨远端骨折的临床效果。

Objective locking compression plate in the adjacent joint fracture in the clinical application and effect.

目的 探讨锁定加压钢板（ locking compression plate，LCP ）在邻近关节骨折中的临床应用及疗效。

Objective To observe the clinical effect of the limited contact dynamic compression plate in treating long bone shaft fractures.

目的 观察有限接触动力加压接骨板(Limited contact dynamic compression plate，LCDCP)治疗长骨干骨折的临床效果。

The main products include: 1, tensile strength, universal testing machine: microcomputer-controlled universal testing machine, economic-type universal testing machine, tensile testing machine micro-computer, electric / manual (Vertical / Horizontal / double pole / single pole) Rally Units, micro-computer plug test machine, spring tension and compression testing machine, etc.; Second, environmental testing machine series: constant temperature and humidity chamber, drying oven, large load-aging room, walk-in constant temperature and humidity test chamber , Thermal Shock Test Chamber, UV weathering tester, salt spray testing machine, aging chamber three, cartons, packaging, furniture testing machine series: microcomputer carton compression testing machine, the breakdown strength test machine, drop (single arm / arms) Test Units, Units microcomputer vibration test, vibration test Analog Motor Transport Units four, electrical equipment testing machine series: plug wire bending test machine, drum testing machine plugs, plug wire hoist swing test machine, plug-line static tensile testing machine, sudden pull test machine, power cord bending test machine, combustion testing machine, 90-degree peel strength testing machine, torsion testing machine wire, wire abrasion test machine, flexible wires and flexibility testing machine, wire print Kennedy fastness testing machine, measuring the rate of wire testing machine, fatigue test handset line stretching machine, plug test machine, torsion testing machine cold, temperature testing machine, wire thermostat ball pressure testing machine, hot wire tester, leakage from marks tester, wire short-circuit / open circuit / high pressure / low pressure / insulation / conduction / mispairing tester; Friday, computer, mobile phone tester series: Life expectancy axis testing machine, testing machine life clamshell mobile phone, key life testing machine, resistance friction test machine, fully automatic torque tester, mobile Units drop test, tape wear-resistant test machine, the mouse roller life test machine; six, rubber, plastic, tape testing machine series: wear test machine, folding / Wear-resistant test machine, winding machine, vertical / rebound test machine, the permanent distortion compression test machines, foam compression stress test machine, foam plastic repeated compression test machines, test material removed machine, plastic machine Determination of Melt Index , melting point tester, heat distortion temperature test trough, falling ball / drop down / DuPont impact test machine, to maintain constant temperature test tape machine, adhesive tape early bowls tester, hardness tester, peel strength testing machine; seven, footwear, leather , Testing Machine Series: friction test machine, add sulfur testing machine, conveyor-type Needle detector machine, friction dyeing fastness tester, testing machineDecoloration friction, standard light box, cold testing machine

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The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。