跑上山时的步子要保持不变，大约在45秒钟以上，然后再慢跑下山，这样重复跑四次以上。
Run up at a constant pace for up to 45 seconds, then jog back down and repeat four more times.
因为计算机动画是真正3-D的，你可以重复用一场戏的动画或者某动画的一部分，不再说它是死板一成不变的运动了。
Since computer animation is truly 3-D, you can re-use the animation of a scene or parts of the animation and not tell that it is the exact same motion.
想象一下，如果一切都保持不变，如果物体，人类和思想保持相互之间固定关系处于永久的无休止重复状态；
Imagine if everything stayed the same, if objects, people and ideas remained fixed in relation to each other in an unending state of permanence;
如果你的生活是稳定的、一成不变的、不断重复的，那么你需要间歇性地打破它，让自己得到一定的放松和自由。
If your life has a very stable, repetitive quality and routine, you need periodic breaks from this to loosen up and let yourself be spontaneous and free.
尽管知道自己非常非常地厌恶如此不断重复地生活，厌恶地这一成不变的习惯，厌恶着这单调没有颜色的空寂。
Although knew oneself loathes extremely extremely repeatedly lives so unceasingly, loathing this irrevocable custom, loathes this not to have color deserted monotonously.
请注意，这些活动是迭代重复的循环的，而不是按照顺序一成不变的。根据实际的情况，也可以改变活动的顺序。
Note that these are iterative, as opposedto sequential, activities. Depending on the circumstances, the order of some ofthese activities may shift.
那些似乎带来了满意结果的手段就被保存下来并而且重复直到这些手段固化为不变的仪式。
Those measures which appeared to bring the desired results were then retained and repeated until they hardened into fixed rituals.
第2类：虽然存在很多不同的最终状态，但是它们都组成一些特定的简单结构，这些结构要么永远不变，要么周期性重复。
Class 2: there many different possible final states, but all of them consist just of a certain set of simple structures that either remain the same forever or repeat every few steps.
重复不变的就是规律，如日出日落，白天黑夜，潮起潮落等等。
The laws never change, as the sunrise and sunset, the day and night, tide rises and falls.
重复进行20次实验，颜料的色泽、变色温度和复色时间保持不变。
The color and lustre, thermochromic temperature and color-recovering time of the products keep constant when the experiment is carried out repeatedly 20 times.
所以作战胜利都不是重复旧方式，而是适应不同的态势而不变化无穷。
Therefore, the victory gained from each battle comes about because strategies and tactics are never repeated.
它难道仅仅只停留在一些传统的、简单的、呆板的的影像符号上，只需要机械的重复和定格一成不变的画面吗？
Can it just stay on some traditional, simple and rigid image symbols, repeat mechanically and be fixed on invariable pictures?
或许由于日常生活鼓励人们的从众心理，鼓励我们不断重复一成不变的做法，因此若要寻求不同的解决方法，往往就需要我们付出特殊的努力。
We all have habitual ways of approaching problems and while habits are sometimes useful, they can also produce the same results over and over again.
历史或许不会一成不变地重复﹐但从近期连篇累牍地将目前经济困境同当年的大萧条相提并论的文章中你不会了解这点。
History may never repeat itself exactly, but you wouldn't know that from the spate of recent articles comparing our current economic plight to the worst economic contraction since the Plague.
本周开始，那些重复不变的事情可能会在你的推挤下飞出窗外。
The same old stuff goes out the window early in the week, probably with you giving it a shove.
采用特殊装置可使型材弯弧时不变形及型材表面无刮痕，避免因成品受损而重复加工，是加工高档铝合金门窗的理想设备。
Adopt special device to protect the profiles and avoid re-processing. It's ideal machine for processing the high quality aluminum alloy door and window.
采用特殊装置可使型材弯弧时不变形及型材表面无刮痕，避免因成品受损而重复加工，是加工高档铝合金门窗的理想设备。
Adopt special device to protect the profiles and avoid re-processing. It's ideal machine for processing the high quality aluminum alloy door and window.
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