Based on an analysis of the relative shaft-to-hole position and attiude errors, as well as of the mechanics and Kinematics in the process of automatic assembly of industrial robots, the paper studies the principle of construction of dynamic wrists.
本文在對工業機器人自動裝配過程中的軸孔相對位姿誤差、力學和運動學進行分析研究的基礎上,對動柔順手腕結構原理作了深入探討,設計、研制了一級三件和二級六件兩種實用型動柔順手腕,解決了柔順件的制造和柔順件與手腕的聯結問題。
They are most likely caused by irregular movements in playing badminton and tend to appear in the wrists and the shoulder joints.
本文通過對羽毛球健身愛好者進行的問卷調查分析,結果顯示:愛好者的運動損傷結果和專業運動員相比多為急性損傷,大多數是由于打球中動作技術不規范而引起的,且易發生的部位多在于手腕和肩袖處。
As far as the basic piano playing skills are concerned,the following points should be paid attention to: the support from fingers to palms will affect the quality of sound produced;wrists are the key parts which not only connect lower arms to fingers,but also function as an adjustor;elbows act as media in piano playing;and in addition,the use of the natural weight of arms is of extreme importance.
在鋼琴的彈奏技能中,手指到掌關節的支撐直接影響彈奏過程中音色的質量,手腕是從手臂到手指之間的橋梁并且具有調節作用,肘部在彈奏過程中有著中介作用,手臂運用自然重量來彈奏極其重要,并且能想像出彈奏的音色,讓身體利用原理產生必要的動作,在鋼琴彈奏中使之能成為音樂意愿的表現。
Objective To explore the maturition of individual bones of the hand and wrist in girls with Turner syndrome (TS).
目的探討Turner綜合征(TS)患兒手腕部不同類型骨骼的成熟特征。
This study included three parts as follows:PartⅠanalyzed the growth of hand-wrist in Tianjin adolescents and compared with the CHN standard.
目的通過對天津地區9~16歲少年兒童手腕骨及頸椎骨發育狀況的研究分析,探討現階段天津地區少年兒童的骨骼發育水平,以及手腕骨和頸椎骨成熟度對青春發育期的預測,并希望為臨床正畸醫生提供一個更準確地判斷個體骨骼成熟度的量化方法。
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