三级跳远

Purpose: The purpose of this study was to analyze the influence of angular momentum on the triple jumpers' performance.

目的：本研究目的在分析人体角动变化对三级跳远选手成绩表现之影响。

To make preparations for 2004 and 2008 Olympic games, the Field Events Management Center of National Physics Bureau in 2002 listed women"s triple jump among "the trickiest items of Olympics and in order to upgrade it back into the world level, the Center has given pivotal support to it in the aspects of allowances, facilities, technical services and fund.

为了备战2004和2008年奥运会，国家体育总局田径管理中心于2002年把女子三级跳远列入"奥运攻尖"计划，从津贴、装备、科研服务、资金等方面进行重点扶持，以促使我国女子三级跳远重新进入世界先进行列。

The keys are improving the effective speed of take off and reducing the speed loss before footplate. 5. Technique improvement is the main task for Chinese triple jump athlete. The link up among three jumps, the conversion between drop and take off, the maintenance of the speed need research deeply all. The mostly way to improve the triple jump performance are finding properly jump structure and rhythm which fit the agility, harmonious, strength, speed, balance of Chinese triple jump athlete.

我们应该从三跳的衔接、三跳落地与起跳的转换、跳跃过程中保持向前的速度等技术训练方面进行深入研究；找出最适合我国运动员个体的跳跃类型和跳跃节奏，发挥我国运动员身体灵活、协调性好、掌握技术能力强、速度与力量发展均衡的特点，在三级跳远技术上有明显的提高，这是我国运动员提高三级跳远成绩的主要途径。6、注重训练结构的合理性是提高我国三级跳远运动成绩的另一个主要途径。

This paper, based on documentation and questionnaire, makes a systematic analysis of the development of our country's female triple jump, pole vault and hammer throw.

为了使昔日辉煌的我国女子新兴田赛项目重振雄风，运用文献资料和调查访问等方法，对我国女子三级跳远、撑杆跳高和链球运动开展的现状进行了较为系统的分析。

Jumps Leaping into the air in the high jump,long jump, triple jump, and pole vault.

Jumps跑跳类：有跳高、跳远、三级跳远和撑杆跳高，都是跳跃类的动作。

Jumping events include the high jump, long jump and pole vault.

跳跃项目包括调高。跳远。三级跳远和撑杆跳高。

Inrecent years women have begun to take part in events that were previously considered to be inappropriate for females.These events include the hammer,triple jump and pole vault.

最近几年来，女性开始参加田径比赛，而在以前，这些项目被认为是不适合女性的，包括链球、三级跳远和撑杆跳高。

In the early 1990s, womens triple jump used to be our advantageous item for the first world record of this item, recognized by the International Field Event Association, was set by Li Huirong, our Chinese sportswoman.

二十世纪九十年代初期，女子三级跳远运动是我国的优势项目，国际田联承认的第一个女子三级跳远世界纪录就是由我国运动员李惠荣创造的。

From the angle of kinematics,this essay has analyzed speed-rybthm problem in the triple jump .

就三级跳远中的速度—节奏问题，从运动学的角度阐述了水平速度的发挥与节奏，降低三跳中水平速度的损失与技术、节奏的关系，说明节奏在三级跳远训练中的重要意义与价值

Analyzing and diagnosing the technique of the triple jump has the important significance for improving the overall level of the triple jump of our country.

分析与诊断三级跳远技术对提高我国三级跳远的整体水平具有重要意义。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。