double-stroke

基本解释

Downwards Arrow With Double Stroke
有双划的向下箭头
Accordingly, the analytical solutions for synthesizing equal and unequal amplitudes double strokes of this type of six-link mechanism are presented respectively.
文中吾人分别针对不等冲程与相等冲程两种双冲程之输出要求，导出该机构之解析尺度合成方法。
He is working double tides to finish his essay.
他日夜苦干，赶写他的文章。
Simulation of the Dynamic Characteristics of Integrated Double Stroke Pneumatic Cylinders
双行程集成气缸的设计及动态特性研究
I do not realize it is a double feature.
我原先不知道这是双片连映。