cycling ground 中文意思是什麼
cycling ground
解釋
單車場-
In this paper, the vacuum thermo - cycling effects and vacuum ultraviolet effects on space inflatable structural materials were analyzed based on a thorough survey over the studies done through flight tests, ground simulation experiments and theoretical research. the main contents of this thesis are as follows : the performance damage effects of thermo - cycling on space inflatable structural fabric carbon fiber reinforced epoxy laminates ( cf / ep ), aluminized kapton ( al / kapton ) films which used as reflector of space inflatable antenna were investigated by a temperature range of - 120 120 with the vacuum degree 10 - 5 pa which conducted with space environment ground - based simulation facility
本文在對國內外飛行試驗、地面模擬試驗以及理論研究等所取得的成果調研的基礎上，針對空間充氣結構材料進行地面模擬真空熱循環與真空紫外輻照的研究工作:利用真空熱循環地面模擬試驗機研究了真空環境（ 10 - 5pa ）中- 120 120的熱循環條件下空間充氣支撐結構織物碳纖維增強環氧樹脂（ cf / ep ）層合材料、空間充氣展開天線反射面鍍鋁聚酰亞胺（ al / kapton ）薄膜的空間環境效應。 -
But, at the present situation, the down hole progressing cavity pump is driven by the motor and reducer placed on the ground via a thin and long rod, and this cause troubles easily because of the rod works in cycling bending and distortion
目前螺桿泵採油系統採用地面電機和減速裝置通過細長抽油桿驅動井下螺桿泵，這種驅動方式由於抽油桿旋轉時處于長期循環扭曲狀態，系統很容易出現故障。 -
A ground breaking research has revealed. experts said that walking or cycling gently has massive long - term benefits
健康專家們說，慢走或慢速騎車對于健康具有重大而且長遠的好處。
分享友人