And the international definition of the second is based on exactly how many vibrations happen when a cesium atom's electron changes energy levels.
国际上对秒的定义就是根据当一个铯原子的电子改变能级的时候有多少振动发生。
To obtain empirical data regarding the energy costs of singing, Thomas examined the relationship between song rate and overnight changes in body mass of male nightingales.
为了获得有关唱歌能量消耗的经验数据，托马斯研究了鸣声率与雄性夜莺在夜间的体重变化之间的关系。
Birds store energy as subcutaneous fat deposits or "body reserves"; changes in these reserves can be reliably estimated by measuring changes in body mass.
鸟类以皮下脂肪沉积或“身体储备”的形式储存能量；通过测量体重的变化，可以可靠地估计这些储备的变化。
One of the student inventors, Camila Rupcich, says the device changes the energy released from the plant into low-level power to charge phones.
其中一名学生发明者卡米拉·鲁比奇表示，该设备将植物释放的能量转化为低能级电流，为手机充电。
So large is the Pacific, covering 30% of the planet's surface, that the additional energy generated by its warming is enough to touch off a series of weather changes around the world.
太平洋面积非常大，覆盖了地球表面的30%，其海水升温产生的额外热量足以引发世界各地一系列的气候变化。
The most visible changes have come in renewable energy.
最明显的变化来自于利用可再生能源。
Storing a single profile item is useful, but most data changes over time, particularly when you talk about energy usage.
存储单个配置项目很有用，但大多数数据随时间改变，特别是当您谈论能源用途时。
Since most services are not widely marketed online, the BPP has to use proxy measures: it calculates health-care costs by weighting changes in the price of wages, energy and drugs.
由于大多数服务没有在网上大范围出售，所以BPP使用了间接测定：它通过加权工资、能源和药品的价格变化来计算医疗保健费用。
Therefore, changes in the sea ice cover have a significant effect on the global energy balance.
因此，海冰覆盖状态的变化能给全球能量平衡带来巨大影响。
But the data shows changes in the pattern of global energy consumption that are likely to indicate long-term change.
但是数据显示，全球能源消费模式的变化将很可能预示着长期的改变。
Those sorts of extensive rearrangements were beyond Rosetta's abilities, since the energy changes involved in the transitions are so large.
大量这一类的重组超出了罗塞塔的能力范围，因为转换中发生的能量变化非常之大。
Mood episodes are intense. The feelings are strong and happen along with extreme changes in behavior and energy levels.
情绪发作十分剧烈。感受强烈并且伴随着行为方式和精力水平的剧烈变化。
It certainly doesn't sound right. In physics, energy can be neither created nor destroyed, it simply changes form.
在物理学中，能量既不能被创造，也无法被销毁，而是仅仅改变了存在的形式。
He hastens to add that individual actions cannot be a substitute for the policy changes needed to curb emissions and promote clean energy.
他接着补充，个人的行动并不能取代政策的改变，而这些政策能促进温室气体排放的减少和清洁能源的开发。
For example, it's easy to calculate how much energy they are pouring into the Universe by studying the way their output of energy changes with time.
例如，能非常简单地计算出它们向太空中释放的能量有多少通过掌握它们随时间释放的能量变化。
Recalling the extraordinary changes in just 28 years gives me great hope for our energy future.
回顾28年来天翻地覆的变化，让我无限憧憬我们能源的未来。
Transferring the electrons gives the bacteria energy. It also changes the ionization state of the metal changing it to a form that precipitates out of water.
通过传到电子，这种细菌便能从其中获得能量，并改变了其食用废料的离子态，使其从水中沉淀出来。
The excitation energy changes the way each molecule absorbs and emits light.
激发能改变每个分子吸收和发射光的方式。
Even Fortune 500 companies that have long employed lobbyists on other issues have needed to hire more to track potential energy policy changes.
甚至是一直雇佣说客对其他事情进行游说的财富500强公司也需要雇佣更多的人来追踪在能源政策可能发生的可能的变化。
Significant changes in fatigue and energy were not observed in participants who received placebo CPAP.
而在接受安慰性CPAP疗法的受试者中，并未观察到疲劳度和精力的显著改变。
The changes in the planet's energy budget caused by solar variations are at least ten times smaller in comparison.
相比之下，由太阳突变导致的地球能量收支变化至少小了十倍。
This will leave us vulnerable to energy supply disruptions and manipulation and to changes in the environment on an unprecedented scale.
这将使我们在能源供应中断和操纵面前变的脆弱，同时也会给环境造成巨大影响。
And the energy changes, it goes up.
能量发生变化，增加了。
The ups and downs of temperatures on the earth match exactly the ups and downs and changes in the magnetism and energy output of the sun... read more.
地球气候的变化趋势正好和太阳磁场与能量输出的变化趋势相吻合。
If you have an isobaric you're going to have to calculate where the energy changes, and that's a calculation that's likely on the homework and very like on an exam as well, too.
在等压过程中，我们需要计算能量的变化，我们在作业，和考试中，就会遇到这类问题。
We will actively promote changes in the way energy is produced and used and raise energy efficiency.
积极推动能源生产和利用方式变革，提高能源利用效率。
Those physical changes required more energy, and exposing food to fire may have provided that boost. Of course, a legacy of evolution is that modern humans often gain too much weight.
那些物理变化需要更多的能量，所以食物热加工可能是这些变化的助推器。
Changes in Gibbs free energy, changes in the chemical potential. Everything will be related to this partition function. This subsystem.
吉布斯自由能和化学势的变化，一切都，由这个子系统决定。
Changes in Gibbs free energy, changes in the chemical potential. Everything will be related to this partition function. This subsystem.
吉布斯自由能和化学势的变化，一切都，由这个子系统决定。
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