deliver up vacant possession是什么意思

用法例句

Therefore,when they are in long jump,their training proportion of run-up,treadling-and-jumping and soaring should be laid different emphasis on.

由于儿童少年和优秀跳远运动员的解剖、生理和心理的特点以及身体素质、训练水平和文化程度都不尽相同，因此，对他们跳远的助跑、踏跳和腾空３ 大技术环节的训练比重的安排应有所侧

Then they find the superior techniques and point out the existing problems from the four motion stages-swing,release grip,jumping,and handstand.

采用影片解析等方法 ,对健将级体操运动员马景华完成的双杠正吊前摆上分腿后切成手倒立动作进行分析 ,即从振浪、撒手、腾空、入撑四阶段中 ,找出其优势技术 ,提出了存在的问题。

This paper divides the pole vault into two periods that are the first jump and the second effective jump according to the relationship between man and apparatus.

将撑竿跳高技术划分为第一腾空、第二有效腾空两个阶段 ,指出此技术划分 ,既有利于撑竿跳高“人—竿”相融系统化理论的研究 ,又利于评价分析运动员的过杆技术 。

Therefore, correctly compre-hensing and applying the shifting kw can reduce passive interference among the items, promote mastery of technic skill and development of the quality, and make the arrangement of the training for each item .

腾空步是学生在学习跳远中比较难掌握的动作,学生往往由于做不出腾空步而影响跳远成绩,运用教学实验法探讨腾空步的教学手段和方法与跳远成绩的关系,试图通过提高腾空步水平来提高跳远成绩,结果表明,使学生更好地掌握腾空步动作,对提高跳远成绩效果明显。

The consciousness training of the jumping skills in long jump;

跳远腾空技术的意识训练研究

It investigated that peak pressure of lateral heel is the biggest at first contact,the transition of center of force is on the lateral way,the peak pressure of forefoot is the biggest at last contact,90% of the swing time is out the range of foul fi.

研究结果表明,山东省女子竞走运动员着地阶段足跟外侧压强峰值最大,压力中心由外侧过渡到前脚掌,离地阶段前脚掌压强峰值最大,90%的受试者腾空时间都在模糊腾空时间以下,符合国际竞走技术要求。