Some workers reasoned that these features evolved to permit predation on insects , others proposed that they enabled the procurement of fruit from the tips of tree branches , and still others envisioned these traits as adaptations to a mode of locomotion combining grasping and leaping 有些研究者推断,这些特徵是为方便掠食昆虫而演化出来,有些人则猜测这些特徵让?们得以采摘树枝末端的果子,还有其他人认为,这些特性是为了适应某种兼具抓握与跳跃的移动形式而演化出来的。
It ` s suitable for the bend and deformation of the metal plates and it can roll the round and arcshapes and the cone ones within its specified ranges . it has the function of prebending the plate at both ends . the two lower rollers are the driving ones and can make the horizontal movement ; and the upper is a driven one and can make the up and down movement . the moving manner includes the mechanical and industry , boilers , shipbuilding , metal structure , machine manufacture and other trades , especially for the roll the steel trunks with smaller diameter and longer length in power transmission and trandform and other trades 该机适用于金属板材的弯曲成型,可卷制圆形,弧形和一定范围的锥形工作,并有板材端部预弯功能,本机型两个下辊为主动辊并可水平移动,上辊为从动辊上下移动,移动形式有机械式和液压式,传动轴均采用万向连轴器连接,它广泛适应于石油化工锅炉造船金属结构及机械制造行业,特别适用于送变电行业等直径较小长度较长钢管杆的卷制
移动: shift; move形式: form; shape; layout; modalit ...被动形式: passive forms运动形式: mode of motion振动形式: mode of vibration; vibration mode主振动形式: fundamental mode; principal mode of vibration侧向运动形式: lateral-directional mode二谐振动形式: second mode of vibration刚体运动形式: rigid body mode; rigid body motion mode横侧运动形式: lateral mode of motion横向振动形式: lateral mode径向振动形式: diametral mode; diametral vibration mode挠性振动形式: flexural vibration mode扭转振动形式: torsional mode水平振动形式: horizontal mode随波运动形式: contouring mode轴向振动形式: axial vibration mode纵向运动形式: longitudinal mode of motion纵向振动形式: longitudinal mode非周期运动形式: aperiodic mode of motion是分词的被动形式: seen from水平纵向振动形式: accordion-vibration mode尾部弯曲振动形式: tail-wagging mode形式: 1.(事物的形状、结构等) form; shape; layout; modality 流于形式 become a mere formality; 形式多样 be various in forms; 形式和内容 form and content; 他已经肯定获得那份工作了, 口头审查仅是形式而已。 he is already assured of the job and his interview is a mere formality.2.[自动化] (数据安排) format; [数学] quantic; shape冲动形成: impulse formation