Because the muscles used on the elliptical are similar to those you use when running, the machine is a good low-impact alternative when an injury prevents you from running.
因为使用的肌肉与您跑步使用的相同，椭圆机是因受伤您无法跑步时的一个极好的低冲击替代运动。
Also note that instead of the simpler circle element, I have created the circle using a path with elliptical arcs, so the rocket has a path to follow with a beginning and an end.
还要注意，不是使用简单的circle元素，我使用一个具有椭圆弧形的path创建了圆，所以火箭有了一个具有起点和终点的路径。
Sometimes it is a little more circular, sometimes it is more elliptical.
有时它更圆一点，有时它更像椭圆。
If your knees bother you, choose a stationary bike, an elliptical machine, or go for a swim.
如果你的膝盖不好，那你可以选择一辆健身自行车、一个椭圆机，或者去游泳。
Its huge elliptical form is enveloped in a dense latticework of steel columns.
它的巨大的椭圆形的形状由密集的由钢铁组成的格子所包裹。
Newton also proved incidentally that a vortex could not generate elliptical motion.
牛顿也证明了漩涡能产生椭圆运动纯属偶然。
As a result it appeared some 14 percent larger and 30 percent brighter than a Full Moon near apogee, the most distant point in the elliptical lunar orbit.
结果，这导致了比起运行到远地点(椭圆形月球轨道的最远端)时的满月，那天的月亮面积增大14%，亮度增加30%。
NASA's Galaxy Evolution Explorer found evidence that black holes — once they grow to a critical size — stifle the formation of new stars in elliptical galaxies.
太空总署的星系演变探测者发现了黑洞存在的证据：一旦其达到一个临界规模，椭圆形星系中的新星形成便会被扼杀。
Its broad arms are distorted by gravitational interaction with a fellow Virgo cluster member, giant elliptical galaxy NGC 4697.
其宽广的旋臂被该星系团另一成员，巨型椭圆星系ngc 4697的引力作用所扭曲。
It is the fate of the spiral galaxy to be pulled like taffy and then swallowed by the pair of elliptical galaxies, which will trigger a firestorm of new stellar creation.
这个漩涡星系将不可避免的被像太妃糖一样拉长，最后被那一对椭圆星系吞掉，而这将触发一场恒星诞生烈火风暴。
But the general solutions call for a elliptical orbit.
但是，一般的解决方法，还是需要一个椭圆轨道。
It orbits its star every 4.7 days, in a moderately elliptical orbit at a mean distance of only 0.04 AU (one tenth of Mercury's distance from the sun).
它每4.7天环绕恒星一周，其轨道为一个适度的椭圆，平均距离仅0.04个天文单位(为水星距太阳的十分之一)。
The behavior of a galaxy's dark matter halo could affect its evolution and help determine whether it becomes a spiral or an elliptical, they added.
科学家们补充说，星系的暗物质晕可能会影响到星系自身的演化过程并决定星系的形态——椭圆状或者是涡旋状。
This is a massive astronomical object, possibly a brown dwarf6, which is on a long elliptical orbit around our own sun on an inclined plane to the rest of the planets.
这是一个巨大的天体，可能是褐矮星[6]，在一个与其他行星平面成一定角度的很长的椭圆形轨道上。
Spanning roughly 5 kilometers (3 miles), Goat Paddock Crater has a slightly elliptical shape.
山羊围场陨石坑略呈椭圆形，直径约5公里(3英里)。
A recently-discovered dwarf planet, named Sedna, has an extra-long and usual elliptical orbit around the Sun.
一颗近期被发现的褐矮星“赛德娜”(Sedna)有一个超长的椭圆形的绕太阳的轨道。
Even in the latter case the line is only elliptical, a form of movement natural to the human body because of the joints, so this hardly demands any great skill from the operator.
即便在后一种情况下，线路也只是椭圆形的，一种对人体来说自然——因为关节——的形式，因此这很难说会对操作者有多高的技艺要求。
I now go into an elliptical orbit because the new velocity is no longer the right velocity for a circular orbit.
我现在要进入一个椭圆形轨道，因为新的速度已经，不是圆形轨道中的速度。
The Moon's orbit is elliptical, meaning it does not follow a circular but rather an oval path.
月球的轨道是椭圆的，因此，就意味着它不是以正圆的方式环绕地球公转，而是椭圆。
Sometimes a single planet with an elongated, or elliptical orbit can look the same as two planets that trace perfect circles around their stars.
有时候如果一个行星的轨道是拉长的或是椭圆的，那就有可能被当做轨道吻合的两颗行星。
The sun makes this shape over a year because Earth rotates on a slightly different axis than the sun, and our planet also travels on an elliptical orbit.
太阳一年内的轨迹形成这种形状是因为地球围绕着与太阳略微不同的轴旋转，而我们的地球也沿着椭圆形轨道运行。
Wednesdays: Do a cross-training (ct) activity (biking, swimming, elliptical trainer) at easy to moderate effort for 30 to 40 minutes. If you're feeling very sluggish or sore, take a rest day.
星期三：舒适的做一个交叉训练活动(骑车，游泳，空中漫步机)30到40分钟。如果你感觉到非常迟缓或者疼痛，休息一日。
Select the Elliptical Marquee Tool (m) and make a selection over the divider line.
选择椭圆选框工具(M)然后在分割线上面画出一个椭圆。
Now use the Elliptical Marquee Tool and create a circular selection as shown.
现在使用椭圆选框工具创建一个圆形选区，如下图。
When it comes to that duality Mr. Downey is elliptical, but there is no mistaking that beneath all that allegorical talk there is the beating heart of a ferociously ambitious actor.
双重性格的唐尼的表现确实令人费解。这些寓言般的故事很清楚，它昭示了一个雄心勃勃的男演员不安份的心。
Take a good look and see if there are enough treadmills, elliptical trainers and other popular machines to go around.
仔细观察这里是否有足够的踏车，简要的教员和其他流行设备。
Thirty minutes on the elliptical, for example, cancels out only about half a blueberry muffin.
比如，在椭圆机上运动30分钟只能抵掉大约半个蓝莓松饼。
And it shifts its orbit from being roughly circular to more elliptical on a 100,000-year cycle.
并且它的变轨周期是10万年，从近似的圆变得更椭圆。
And it shifts its orbit from being roughly circular to more elliptical on a 100,000-year cycle.
并且它的变轨周期是10万年，从近似的圆变得更椭圆。
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