1) recess ratio
缩进比
1.
The effects of the recess ratio of injector and the pressure drop of gas and liquid injection on the mixing characteristics were investigated.
利用两相探针技术，测量了喷嘴下游喷雾流场中气液流强和混合比分布，考察了喷嘴缩进比和气液喷注压降等参数对混合特性的影响。
2.
The results show that there are certain differences between atomization properties of different injectors of different recess ratios under various working conditions.
缩进比是液体火箭发动机气液同轴式喷嘴设计中一个重要参数。
2) scaling
[英]['skeiliŋ] [美]['skelɪŋ]
缩比
1.
Study on RCS scaling relationship of perfect conducting objects in half space;
半空间理想导体目标RCS缩比关系的研究
2.
In order to improve the comparability,a kind of new scaling 1∶5 for JF122SB dynamometer for the scaling testing based on the parameters of the scaling 1∶1 for JF122 dynamometer was developed according to the similarity principle.
为提高小样试验与台架试验的可比性,依据相似原理,并参照现有JF122型轻轿车1∶1惯性台架试验机的参数,研制了JF122SB型摩擦材料1∶5缩比台架摩擦试验机,用于轿车盘式制动器摩擦衬片的缩比试验。
3) draw back
缩进
1.
It will be required quick and no step appearance that stretch out and draw back of the cylindrical grinder's fail rack sleeve.
但由于受相关零件的制造精度、液压系统元件的磨损、油污的滞留等因素影响,套筒出现不缩进或不复位、行程不足或蠕动等毛病;提高相关零件的加工精度、及时维护清理液压元件、防止泄漏等是克服这些毛病的基本措施。
4) retract
[英][rɪ'trækt] [美][rɪ'trækt]
v. 缩回;缩进
5) compression ratio
压缩比
1.
Study of DME HCCI Engine Emission Characteristic with Different Compression Ratios;
变压缩比二甲醚均质充量压燃发动机排放特性的研究
2.
Investigation of geometric theory of double-arc modication of scroll compressor and its compression ratio;
涡旋压缩机双圆弧修正的几何理论和压缩比研究
3.
Study on the Compression Ratio Optimization of a LPG-Diesel Dual Fuel Engine;
LPG/柴油双燃料发动机压缩比优化研究
6) compress ratio
压缩比
1.
On the basis of discussing the positive effect of high compress ratio, high pressure injection, and other factors on diesel engine combustion process, the article puts foreword that utilizing high compress ratio and making use of high pressure common rail injection system to realize high pressure injection and b.
在讨论高压缩比与高压喷射等因素对柴油机燃烧过程积极影响的基础上,提出了使用高压缩比与利用高压共轨喷射系统实现“靴型”喷油率和高压喷射,以及使用其他措施改善柴油机燃烧过程的方案,来实现降低柴油机排放的目标。
补充资料：无穷递缩等比数列
当｜q｜＜1时的无穷等比数列a1，a1q，a1q2，…。求它各项之和的公式是s=limn→∞sn=a11－q。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条