For the Earth to maintain a constant average temperature, such emissions from the planet must balance incoming solar radiation.
为了使地球保持恒定的平均温度，来自地球的这种辐射必须平衡入射的太阳辐射。
The constant a represents the vertical intercept, and b represents the slope of the consumption schedule.
常数a表示垂直截距，b表示消费计划的斜率。
It would be better if you could give this constant a name and then use it everywhere in the program. You could, of course, simply declare it as a local variable by writing.
这样的话，如果可以给这个常量一个名字，然后在程序所有需要的地方通过名字来使用这个常量，将会非常方便。
At the other end of the scale , life is a constant struggle to get enough to eat.
对于处在社会最底层的人来说，生活就是为吃饱肚子而不断挣扎的过程。
Rosa's constant refrain is that she doesn't have a life.
罗莎总是不断重复的一句话就是她生活得很无聊。
Do this thing throughout your day, and you will be in a constant state of relaxation and enjoyment.
将这件事贯穿到你一天的生活中，那你将会处在放松和享受的恒定状态中。
However, when diatoms are observed under constant conditions in a laboratory, they still display periodic behavior, continuing to burrow on schedule for several weeks.
然而，当在实验室的恒定条件下观察硅藻时，它们仍然表现出周期性的行为，继续按计划挖掘几个星期。
The fluency of a language largely depends on constant practice.
语言的流利度在很大程度上依赖于不断的练习。
They thought that if the Earth itself was moving, there would have to be a constant wind blowing, sweeping them off their feet, and of course there wasn't.
他们认为，如果地球在运动的话，那么就会有风不断吹来，把他们刮倒——当然了，这种风并不存在。
There's always a constant fear of falling behind everyone else on the socially perpetuated "race to the finish line", whether that be toward graduate school, medical school or lucrative career.
人们总是害怕在社会上持久不变的“比赛谁先冲到终点线”中落后于其他人，无论是在考入研究生院、考医学院还是竞争高薪职业方面均是如此。
It is a constant struggle and I have become a time and management juggler but they are the ones who teach me the most valuable lessons in life.
这是不断的奋斗，我已经成为一个时间和管理的魔术师，不过，是他们教给了我生活中最宝贵的经验。
The relationship between wealth and happiness is a constant topic that has been discussed by many philosophers of different times.
财富与幸福之间的关系是一个永恒的话题，不同时代的许多哲学家都讨论过这个话题。
It was not a time of uniform warmth, for then, as always since the Great Ice Age, there were constant shifts in rainfall and temperature.
那并不是一个始终温暖的时期，因为在那时跟大冰期以来的任何时候都一样，降雨量和温度都在不断变化。
There's always a constant fear of falling behind everyone else on the socially perpetuated "race to the finish line", whether that be toward graduate school, medical school or a lucrative career.
总是有一种持续不断的恐惧，害怕在社会上长期存在的“冲向终点线”的竞赛中落在别人后面，不管是进入研究生院、医学院还是获得一份赚钱的职业。
Learning to be mature and sensible can prevent us from becoming a constant source of worry to them.
学着变得成熟和理智可以防止他们不断为我们担心。
The events business, she said, was crucial to the group in that it provides a constant revenue stream.
她说承办活动的业务对于集团至关重要，因为它是一个持续的收入来源。
A constant threat of unemployment hangs over thousands of university researchers.
持续的失业威胁使数千名大学研究人员感到忧虑。
It allows the train to maintain a constant speed through the twists and turns of existing track.
它可以让火车在现有蜿蜒盘旋的轨道上保持匀速。
The sheer size of the cathedral is a constant reminder of the power of religion.
大教堂的宏大规模使人时刻领略到宗教的威严。
My life has been music, and a constant search for it has been the mainspring of my life.
我为音乐而生，对音乐的不懈探索已经成为我生活的动力。
They would have to concentrate on natural processes that continue at a constant rate and that also leave some sort of tangible record in the rocks.
他们必须专注于以恒定速度持续的自然过程，并且在岩石中留下某种有形的记录。
As constant travelers and parents of a 2-year-old, we sometimes fantasize about how much work we can do when one of us gets on a plane, undistracted by phones, friends, or movies.
作为经常旅行的人，以及两岁孩子的父母，我们有时会想象，当我们其中一人登上飞机，不被手机、朋友或电影分心时，能做多少工作。
Such a change cannot be achieved overnight, all the less so after over half a century of constant deterioration in favour of road.
这种运输模式的改变不可能一蹴而就，尤其是近半个世纪以来，铁路等运输模式不断萎缩，让位于公路，能实现的改变就更少了。
Vanity is a constant; people will only start shopping more sustainably when they can't afford not to.
虚荣心是永恒的；人们只有在不能承受放纵购物的时候，才会开始节制购物。
The evaporation from the leaf surface causes a constant compensatory suction of water.
叶片表面的蒸发作用产生了持续的代偿吸水性。
No one should have to live with what a Texas mother described as constant stress, tension, even fear about money.
没有人应该生活在德克萨斯州的一位母亲所描述的持续的压力、紧张、甚至对金钱的恐惧之中。
At heights of over 18,000 feet, people may be climbing in a constant daze.
在海拔超过1.8万英尺的地方，人们攀爬时可能会伴随着持续的晕眩。
It is well known that when gas is cooled at a constant pressure its volume decreases.
众所周知，当气体在定压下冷却时，它的体积减小。
These very short-lived plants reproduce prolifically; that is to say they provide a constant rain of seed in the neighborhood of parent plants.
这些寿命极短的植物大量繁殖；也就是说，它们在母株周围持续提供着“种子雨”。
The country has the advantage of peace and quiet, but suffers from the disadvantage of being cut off; the city breeds neurosis and a feeling of isolation—constant noise batters the senses.
这个国家有和平宁静的优点，但也有与世隔绝的缺点；城市滋生了神经衰弱症和孤立感——连续的噪音冲击着人们的感官。
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