two-to-one ratio

The operation performance of a spark ignition natural gas engine with two cylinders, including dynamometer card in cylinders, intake pressure liquid, air fuel ratio, temperature field of cylinder head and piston, and emission, is tested.

对一台火花点火式两缸天然气发动机进行了缸内示功图、进气压力波、空燃比、缸盖及活塞温度场和排放等项目的测试。

Tensile force-extension ratio relation in two-dimensional extension in rubber

橡胶在双向拉伸中拉伸力与拉伸比的关系

The strength of R& D stuff is negatively correlated with per capita of new patent applications and technology assets ratio, which are two indicators on behalf of technology innovation output.

研发人员强度与代表技术创新产出的人均新申请专利量和技术资产比例两个指标呈负相关关系。

When the distance of two nozzles was fixed, the offset of impinging stagnation point on the axis increased with the ratio of velocity and the nozzle diameter. Impact Tests on Skull and Application Study on the New Patent Airbag

当喷嘴间距一定时，轴线撞击面驻点偏移量随气速比和喷嘴直径的增大而增大.颅面骨撞击损伤的研究

The electron microprobe analyses show that there are distinct differences between two types of olivine in the aspects of the FeO/ MnO ratio, the species of inclusion minerals, the concentrations of Fe an Ni in kamacite and taenite inclusions.

电子探针成分分析结果表明，两种橄榄石中的FeO和MnO比值，包体矿物种类，包体铁纹石和镍纹石中Fe，Ni的含量等，均有较大区别。