查询词典 variable compression ratio

The compression can be achieved by lag screw fixation, a plate tensioning device, or the use of the compression hole of the dynamic compression plate.

这种加压可以通过拉力螺钉，张力带原理放置的钢板，或者应用动力加压钢板上的加压孔来获得。

The disturbing rields caused by the speedup and quietude of upper crustal movement in Tibetan Plateau indicate that, when the upper crust movement is speedup in Tibetan Plateau and keeps the boundary condition unchanged, the energy stored in upper crust is released, the driving force by Indian plate increases the horizontal compression stress and movement in other layers in Tibetan Plateau, and increase the horizontal compression stress in the whole geosphere in North China area Comparing the disturbing distribution of horizontal compression stress in the upper mantle layer, the value in North China area is only about one twelfths of that in south part of Tibetan Plateau.

3青藏高原地区地壳非均匀活动在中国大陆岩石层引起扰动场的研究结果表明，在保持板块边界作用强度不变的情况下，青藏高原地区岩石层上部地壳运动的增强，增加了其岩石层下部的向前推挤，同时也增加了对其它块体的推挤作用，以上地幔盖层内最大水平主压应力的扰动值为例，华北地区比青藏高原南部地区小一个量级。

It is considered that pre-tension stress counteract the compression stress in welding zone generated by thermal expansion, consequently reduce the compression plastic deformation, and depress the tension stress in welding zone when cooling down, and accordingly minish the compression stresses far from the welding zone.

分析认为，预拉伸应力部分抵消了焊接区热膨胀产生的压缩应力，从而减小了压缩塑性变形，进而减小了冷却时焊接区域的拉伸应力水平，相应地远离焊缝区域的压缩应力也随之减小。

This research is concentrated on the interactive behavior between the cold-formed steel wall stud and sheathing. Three kind of test specimens used in this study includes:(1) both stud and calcium silicate board are under compression;(2) the stud sheathed with calcium silicate board is under compression; and (3) the calcium silicate board supported by stud is under compression. Three different thicknesses of calcium silicate board and three different spacing of the connecting screw were adopted in the test. Totally, 36 specimens were tested in this research.

本研究乃针对冷轧型钢墙体立柱与外覆材产生束制的能力进行探讨，实验所采用的试体分为三种，具外覆材之墙体、具外覆材支撑之立柱、外覆材受压内含支撑之立柱，并配合不同厚度之矽酸钙板与改变不同螺丝间距进行互相比较，共进行了36组试验。

Through the low cyclic load test of eight high strength concrete-filled square steel tubular columns, considering the effect of the axial compression ratio, steel ratio and slenderness ratio, the hysteretic curve, ductility, degradation of stiffness, energy dissipation capacity, failure mechanism and characteristics of the specimens were researched.

摘要］以轴压比、含钢率和长细比为参数，进行了8根方钢管高强混凝土柱的低周反复荷载试验，研究分析了该类构件的滞回曲线、延性、刚度退化、耗能能力、破坏机理和破坏特征；并与型钢高强混凝土柱的受力性能进行了比较分析。

The results show that the most remarkable factor is the slenderness ratio, the axial compression ratio takes second place and the steel ratio is third.

结果表明，对其影响最大的为长细比，其次是轴压比，再次是含钢率。

Influences of several parameters, such as axial compression ratio, slenderness ratio, steel ratio and strength of the materials on the hysteresis behavior of the beam-columns are analyzed.

基于理论分析模型，分析了各参数，如构件轴压比、长细比、截面含钢率和材料强度等因素对圆钢管混凝土压弯构件P-△滞回关系曲线的影响。

Much attention is paid to the mesh principle of variable ratio rack and sector, which includes the principle of variable ratio, the selection of gear type, the setting up of rolling pitch line, and the determination of tooth profile.

重点说明转向器中变速比扇形齿轮和齿条的啮合原理，包括变速原理，变速齿轮的选择，滚动节线的建立，齿形的确定等问题。

Convention V-belt Continuously Variable Transmission, shifts gears the travel mechanism property fixed constraint, unable full into full play initiative control advantage, to engine and Transmission on the go to hold optimum match, Also takes into consideration acceleration and fuel consumption performance, so this paper research Motorcycles with an Electronically-Controlled Continuously Variable Transmission shift gears planning, to use motor power screw, we shall revolve motion changes rectilinear motion, to push driving sheaves achieved to change speed ratio; Comparison between analysis convention CVT speed ratio shift gears curves of acceleration and fuel consumption performance optimum curves, use engine can hold high performance output or low fuel consumption region run.

中文摘要传统皮带式无段变速器(Continuously Variable Transmission， CVT)，换档行程由於机械特性的限制，无法完全发挥主动控制的优点，让引擎与变速器随时保持在最佳的匹配状态，同时顾及加速性能与燃油消耗，所以本文主要研究机车用电子控制式无段变速系统(Electronically Controlled Continuously Variable Transmission， ECVT)最佳换档规划，利用马达与动力螺杆，将旋转运动改变为直线运动，以推动主动滑轮达到改变减速比；分析传统CVT减速比换档曲线与最佳化曲线之加速性能及燃油消耗比较，使引擎能够保持较高性能输出或较低油耗区间运转。

The paper gives a fractal images compression algorithm deduced using best polynomial approximation, and two domain blocks searching path (variable step and nonvariable step), and proposes domain blocks incremental evaluation so as to increase the efficient of images compression.

本文还给出了我们用多项式最佳逼近方法导出的分形图象压缩算法，以及两种定义域块搜索路径，并提出了定义域块的增量计算思想，以提高压缩效率。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。