例句與造句

1. Only bearings and extension joints need to be controlled at regular intervals .
   只有支座和伸縮縫需要定期檢查和調(diào)整。
2. To investigate the the body shape strength and kinematics that effects sprint expert performance 17 healthy male sprinters were measured using songxiam9000 high speed vidicon in the field ; body shape of sprint athlete were tested by steel rule ; meanwhile shoulder were tested at 60 , 240and360 deg / sec velocities ; lower limb were tested at 60 , 240 deg / sec velocitues using biodex - ii tesing and rehabilitation system in the laboratory this research provide theoretical basement to scientifically make reasonable exercise prescription and perfect sprint theory the result show that ( 1 ) the results of correlation indicate that 100m performance related to the shoulder fast flexion torque and hip flexion / extension torque ^ ankle fast dorsiflexion torque ; ( 2 ) the upper arm relaxing enclose and lower limbs length effect 100m performance ; ( 3 ) the biggest shoulder extension joint , swing rage of shoulder and the biggest elbow joint extension effect 100m performance
   受試者為17名男子一、二級短跑運(yùn)動(dòng)員。使用松下m9000高速攝像機(jī)對100米跑動(dòng)過程中的運(yùn)動(dòng)員進(jìn)行錄像，同時(shí)測試短跑運(yùn)動(dòng)員100米成績，利用愛捷錄像分析系統(tǒng)獲取運(yùn)動(dòng)學(xué)參數(shù)；用人體測量尺測試短跑運(yùn)動(dòng)員的肢體圍度；同時(shí)采用biodex -型等動(dòng)測力及康復(fù)統(tǒng)，測試運(yùn)動(dòng)員上肢肩關(guān)節(jié)及下肢髖、膝、踝3個(gè)關(guān)節(jié)的等速屈伸肌力。在角速度60 s (慢速) 、 240 s (中速)和360 s (快速)下測試肩關(guān)節(jié)等動(dòng)向心收縮肌力；在角速度60 s9慢速)和240 s (快速)及120 s下測試下肢3關(guān)節(jié)等速向心及離心肌收縮肌力。
3. It's difficult to find extension joint in a sentence. 用extension joint造句挺難的