loop n. 1.(用线、带等打成的)圈,环,匝,框,环孔,线圈;【医学】(常 the loop)宫内避孕环。 2.环状物,塔环,拎环。 3.(铁路上的)让车道,环道。 4.【无线电】回路,回线,波腹,环形天线。 5.【数学】自变;【计算机】循环;(程序中)一群指令的重复。 6.【航空】翻圈飞行,翻筋斗;【溜冰】(单脚)打圈儿。 7.〔美国〕闹市区;〔the L-〕 芝加哥的商业区。 a safety loop保险圈。 a wire loop钢丝套圈。 knock [throw] for a loop 〔美俚〕 1. 使神志不清;打昏,使醉倒。 2. 给人极好的印象。 3. 出色地通过[做成]。 on the loop 〔美国〕在匆匆旅行中。 out of the loop 在圈内人物之外的,不在…圈子内的。 vt. 1.使(绳等)成圈,打成圈;【电学】 把导线连成回路。 2.用圈围住;(用环)箍住。 (up back). 3.使作成环状运动;【航空】翻筋斗。 vi. 1.打环,成圈。 2.【航空】翻筋斗。 3.(像尺蠖似的)伸屈前进。 loop the loop 【航空】翻筋斗;(骑自行车等)兜圈子。
2 ) research tolerance analysis modeling technique ; discuss one kind of vector loop based assembly tolerance analysis model , which takes fully account of dimension tolerance , geometric feature tolerance and kinematics effects 2 )研究公差分析建模技术,讨论一种基于矢量环的,包含产品零部件的尺寸公差、几何特征公差以及运动学影响的装配公差分析模型。
The result showed that , with the equivalent substitution method of kinematic joint for error analysis , its computer - aided analysis was realized and the malady of tedium and complexity with the analysis and computation of the vector loop was eliminated , making the error analysis of the mechanism simple , easy , and reliable 结果表明,误差分析的等价运动连接替换法实现了计算机辅助分析,解决了向量环路分析计算量繁琐的弊端,使机构误差分析简易可靠。
A linear programming method of vector loop used in the analysis of mechanism motion and its error was introduced , the possibility of using the sensitivity of kinematic analysis for error was analyzed , and it was proposed for the error analysis model of the mechanism to make equivalent substitution for the dimensional error with basic kinematic joint element ( kinematic pair ) and as well to implement the linear programming method of vector loop for error analysis within the adams 摘要介绍机构运动分析与误差分析的向量环路线性规划法,分析运用运动分析灵敏度进行误差分析的可能性,提出在机构误差分析模型中用基本运动连接元素(运动副)对尺寸误差进行等价替换,使误差分析向量环路线性规划法在adams中实现。
Results the number of myocardial and brain and opioid receptors significantly increased , and they were significantly associated with the decreased hemodynamic parameters such as mean arterial pressure ( map ) , left intraventricular systolic pressure ( lvsp ) , the maximal rate of the change of intraventricular pressure ( dp / dtmax ) and the area of p - dp / dt vector loop ( lo ) 结果创伤失血性休克后,大鼠心脏和脑和阿片受体数目明显升高,亲和力无明显变化,心脏和脑的和阿片受体数目升高与创伤失血性休克后大鼠血流动力学指标下降呈显著负相关。