提出一种利用圆周轨迹X射线辐射图像合成任意视角立体图像对的方法。
A method of multiple view stereoscopic radiography rebuilding using orbit scanned Xray images was presented.
划圆是通过直径片的端点沿圆周轨迹转动,其圆心的位置是固定的原理而实现的。
The end of diameter plate moves along the circumference trace and its circle center is fixed.
你可以做不同大小的圆周运动,然后把它们放到你的轨迹上,看哪一个匹配。
You can take circles of different size and place them against your trajectory and see which one fits.
现在从天上再回到地面上,你可知道圆周率控制着弯曲河流的轨迹? 不管是亚马逊河还是泰晤士河,都被π管得服服帖帖。
Back on Earth, pi controls the path of winding rivers from the Amazon to the Thames.
详细讨论了当向心力突然增大后,原来作匀速圆周运动的小球其运动轨迹的变化情况,证明了小球将作螺线运动。
A small ball is making circular motion at the uniform velocity, the centripetal force has suddenly increased, it is proved that the small ball will generally make a spiral motion.
详细讨论了当向心力突然增大后,原来作匀速圆周运动的小球其运动轨迹的变化情况,证明了小球将作螺线运动。
A small ball is making circular motion at the uniform velocity, the centripetal force has suddenly increased, it is proved that the small ball will generally make a spiral motion.
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