1) Jue Ding" sports
"角顶"运动
2) roof movement
顶板运动
1.
Based on numerical results of impacted roof movement at four stages which have been verified in-situ, the damping effects of roof movement at the impacted stage with three-dimensional distinct element code and chaotic dynamics theory are studied.
根据现场验证的冲击性顶板4个阶段运动特征的数值模拟结论,采用三维离散单元法研究冲击阶段顶板运动的阻尼效应,并进行相应的混沌动力学分析。
2.
After investigation of the main factors for roof movement, i.
利用离散元和有限元数值模拟及力学解析计算，分析了放顶煤采场中上覆岩层运动规律；认为采场上覆岩层运动为分层运动，运动结构为拱－梁结构；拱－梁转换的实现，是以拱顶的失稳升高为条件，在分析了影响顶板运动的主要因素（顶板岩层断裂角、放煤步距、顶板岩层块体尺寸、顶煤厚度）的基础上，认为放煤步距过大（≥２ｍ）会降低放煤率，增大老顶垮落的动压冲击程度。
3) caving coal movement
顶煤运动
1.
According to the field survey at the single?body breaker prop sublevel caving support coal face in Jiulishan coal mine of Jiaozuo,the coal flow state and the drawing ellipsoid?body law during the caving coal movement,crushing and the drawing process at the single?body breaker prop coal face have been obtained.
通过焦作矿务局九里山矿单体支柱放顶煤工作面现场实测， 得出单体支柱放顶煤工作面顶煤运动、破碎、放煤过程中煤流动态及放出椭球体规律， 为确定合理放顶煤工艺参数提供了可靠的依据。
4) angular motion
角向运动，角运动
5) Top Athletes
顶尖运动员
6) angular motion
角运动
1.
Gyro simulation test of the high-speed rotatable projectile angular motion is one of the key technology of the physical simulation system.
高速旋转弹丸角运动的陀螺模拟测试是弹载机构物理仿真系统的关键技术之一。
2.
In order to analyze the vibration characteristics of the high speed dick system,which was an important component of the submuniton angular motion hardware-in-the-loop(HIL) simulation,the mechanics model was firstly derived.
为了分析子弹角运动半实物仿真装置中快圆运动系统的固有频率及其对整个装置的影响,利用La-grange方程建立了快圆运动系统的动力学方程,得出该系统的质量矩阵和刚度矩阵,对其进行模态分析;同时利用有限元软件仿真,验证了理论分析结果。
3.
The nature for image non-stabilization is the relative motion between axis of the system and the target including translation and angular motion, in which relative angular motion has great effect on image.
图像不稳定的实质是系统的光轴与目标之间有相对运动，包括平移和角运动，其中相对角运动对图像的影响尤为严重。
补充资料：南美洲运动会和南十字运动会
1922年在巴西举行过1届南美洲运动会,参加者限于南美洲国家。1978年在玻利维亚举行过 1届南十字运动会，参加国有阿根廷、玻利维亚、巴西、智利、厄瓜多尔、巴拉圭、秘鲁和乌拉圭8国。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条