查询词典 curvilinear motion

Synthetic aperture radar ; curvilinear synthetic aperture radar ; motion compensation ; feature extrac-tion

合成孔径雷达；曲线合成孔径雷达；运动补偿；特征提取

Based on the middle school physics curriculum reform and the teaching reality, the law of change, similarities and differences about curvilinear motion have been systematically elaborated.

本研究课题结合中学物理课程改革及教学的实际，比较系统和深入地阐述了中学物理教学大纲和近几个版本人教版物理教材关于"曲线运动"内容的变化规律和异同，并针对我国目前高中物理教学的现状和新课程标准的要求提出了此部分内容在课堂教学中应着重进行物理思想方法、探究实验能力、数学工具应用及紧密联系实际生活等方面的教学。

According to the current middle school physics teaching situation and new curriculum standards, the thesis emphasizes the importance of physical thinking methods, inquiry experiment ability, teaching tool applications and the ability related to real life during the classroom instruction of the curvilinear motion.

对高三和高一学生学习"曲线运动"内容后的学习效果进行了测试和分析，在此基础上确定出该部分内容的核心知识及难点知识，探索了学习者学习过程中存在学习困难的原因，并尝试提出了解决问题的策略。

The results of simulation show that the missile exhaust plume can move together with the missile in preset curvilinear motion and can keep tangent to the preset curve, so that the realistic simulation effect can be achieved from any viewpoint.

模拟结果表明，导弹尾焰能随预置的导弹曲线轨迹运动且保持与曲线相切，且在任意视点观察时都具有真实感效果。

It analyzes the change law of the velocity of the intelligent car with three omni-directional wheel triangular layout when it performs curvilinear motion and dual-path respectively,and the mobility of intelligent car in plane is tested.

分析了三轮Δ排列时，智能小车分别作曲线运动、双路径运动时各个驱动轮理论速度变化规律，验证了通用轮式智能小车平面行走的灵活性，并为控制智能小车完成特定运动提供理论依据。

Studies have suggested: Of every joint curve, the pace of hip joint is smaller and not changing much; The paces of knee joint , ankle joint and tiptoe are obvious in curvilinear motion; Knee joint up to the peak value of pace early , then moderate , ankle and tiptoe nearly reach the pace maximum at the same time during the course of proposing the knee, later dropped rapidly, the tiptoe pace increased but not reached the maximum again at the time of hitting the target.

研究表明：各关节曲线中，髋关节速度较小且变化不大；膝关节、踝关节和脚尖的速度曲线变化明显；膝关节较早达到速度峰值，然后减速，在提膝阶段踝和脚尖几乎同时达到速度最大值，之后迅速下降，在击靶瞬间脚尖速度又增大但没达到最大值。

The main purpose of the present paper is to obtain the relation between the abstract presentation of Euclidean objectivity and its component representation with respect to the general curvilinear coordinate systems with a relative rigid motion under a fixed frame of reference, so that the tensor representation of Euclidean objective quantity has its component form.

建立了欧几里德标架无关性的一般表述与某一参考标架\phi 下作相对刚体运动的一般曲线坐标、分量表述之间的关系，从而使欧几里德标架无关性的张量表述有相应的分量表述形式。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。