例句與造句

1. In the forth chapter , the performances of mr dampers designed and fabricated at chongqing university have been tested in national center for test and supervision of coach quality , including schematics of damping force vs . displacement of piston head , damping force vs . velocity of piston head , etc . for some given electric currents of the coil . the experimental results demonstrate that damping force offered by mr damper consists of background damping generated by resistance of mr fluid and damping caused by magnetic field
   對(duì)不同勵(lì)磁電流條件下的理論阻尼力與測(cè)試阻尼力進(jìn)行了比較，分析了產(chǎn)生誤差的主要原因；對(duì)阻尼器產(chǎn)生溫度效應(yīng)產(chǎn)生的主要原因進(jìn)行了分析，提出了應(yīng)該提高磁流變體的溫度穩(wěn)定性；推導(dǎo)了磁流變體的感性和容性流動(dòng)方程，從理論上分析了磁流變體的感性和容性對(duì)阻尼器特性的影響。
2. It's difficult to find displacement of piston in a sentence. 用displacement of piston造句挺難的