Understanding this cycle is important, not only because it sustains life on Earth, but also because it is bound up with the rate of global warming.
理解这种循环很重要，不仅因为碳循环维持地球上的生命，而且因为它对于全球变暖的速度有密切关系。
On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.
在地球上，人们认为，表明太阳黑子周期最可靠的迹象之一是树木的生长速度，就像树干横截面上可见的年轮一样。
The near side is always facing Earth and the far side is always facing away, because the moon revolves around the Earth at the same rate that it rotates on its own axis.
近地半球总是面对地球，远地半球总是远离地球，因为月球在绕地球旋转的同时，它也在以同样的速率绕自己的轴自转。
Understanding this cycle is important, both because it sustains life on Earth and because it is bound up with the rate of global warming.
理解这种循环很重要，不仅因为碳循环维持地球上的生命，而且因为它对于全球变暖的速度有密切关系。
The rate at which species are disappearing from Planet Earth is horrifying.
地球上的物种正以惊人的速度从这个星球上消失。
This altered the propagation of GPS signals and slowed the rate of decay of space debris in low Earth orbit.
这样就改变了GPS信号的传播，减小了地球底层轨道上空间碎块的衰减速度。
Low water: the Dead Sea, the lowest spot on Earth, is evaporating at an alarming rate.
图注：降低的水面：死海，地球的最低点，其水分正以惊人的速度蒸发。
Despite repeated global pledges to protect the planet's species and habitats -and the goods and services they provide -the variety of life on Earth continues to decline at an unprecedented rate.
尽管一再做出全球承诺，要保护地球上的物种和生境及其提供的货物和服务，但生物种类继续以史无前例的速度减少。
If the rover were not moving, the frequency distortions of its signals to Earth would reveal the rate of wobbling in Mars's axis.
如果探测器与火星保持静止，那么它向地球发出的信号将会产生频率畸变。由此，我们可以推算出火星轴线的扰动率。
Since Earth’s rotation rate varies, so would the value of one second when it’s defined as a fraction of the time it takes for one spin of the Earth on its axis.
由于地球自转速率发生偏离，因此当把地球绕中轴旋转一圈作为一个单位时，（这种偏离）就相当于一秒钟时间。
Hundreds of midsize asteroids near Earth are discovered every year, but at this rate, it would take decades to locate all of them and see if they pose a threat.
每年都有数百颗中型小行星在地球附近被发现，但按这一速度，还将需要几十年时间。
Imhoff and his team reached these conclusions by comparing the rate at which people require plant products, in terms of carbon, to the rate that the Earth can produce plant carbon.
伊姆·赫夫和他的团队通过比较人们对植物的需求率，就碳纤维而言，和地球产生的植物碳纤维率，从而得出此结论。
To blaspheme the earth is now the dreadfulest sin, and to rate the heart of the unknowable higher than the meaning of the earth!
现在最可怕的罪过是亵渎大地，将‘不可知’的心置于高于大地的意义的位置！
Right now, the Moon's rotation rate, and the time it takes to orbit Earth are the same.
现在，月球的自转速度与绕地球公转速度是一样的。
For example, Google Earth does not always respond in a useful way to key-down events regardless of the repeat rate and speed.
例如，GoogleEarth并不始终以有效的方式响应按键事件，无论重复率和速度如何。
Earth Times reports that the still-unnamed baby elephants are rare, and the survival rate is low.
据《地球时报》报道，这两头还没起名字的双胞胎象非常罕见，且成活率低。
The rate of this deforestation is rising as oil prices reach new highs, leading more industries to turn to biodiesel made from palm oil, which, in theory, is earth-friendly.
然而随着油价不断攀升，这里的森林砍伐正在愈演愈烈。许多工厂都转向用棕榈油生产生物柴油，具有讽刺意义的是，这样的做法从理论上来说是环保的。
To keep Earth inhabitants away from the rest of the universe community, our planet was stuck way out in the boondocks at the rim of a second-rate galaxy.
为避免地球的业主们与宇宙的其他社群接触，我们的星球被困在银河系远郊三四流的不毛之地。
Despite repeated global pledges to protect the planet's species and habitats - and the goods and services they provide - the variety of life on Earth continues to decline at an unprecedented rate.
尽管一再做出全球承诺，要保护地球上的物种和生境及其提供的货物和服务，但生物种类继续以史无前例的速度减少。
If the population of the earth goes on increasing at its present rate, there will not be enough resources left to sustain life on the planet.
如果地球上的人口继续以现在的速度增长，所剩的资源将不足以维持地球上的生命。
One out of every five people on Earth is Chinese, yet China's growth rate has slowed.
地球上每五个人中就有一个是中国人，但中国的人口增长速度已经减慢了。
By researching the rotation rate of the earth, the escape of hydrogen and the landscape of the earth in the geological period, the paper supports the Expansion Theory further.
本文通过对地史时期中地球自转速率、氢的外逸以及地表景观的研究，进一步支持了地球膨胀说。
Further analyses show the variation of earth rotation rate and sunspot cycle length have important role on the climate abrupt change in the Qinghai-Xizang Plateau.
进一步分析表明，地球自转速度和太阳黑子周期长度的变化对高原及北半球本世纪气候的突变和阶段性变化起着重要的作用。
The earth turns around at a uniform rate.
地球以相同的速度旋转。
Researchers from the African Soil Information Service will study earth samples and rate them.
非洲土壤信息部门的研究者将研究并评估泥土样本。
However, the biological species on earth is disappearing at an unprecedented rate.
但是目前地球上的生物物种正在以前所未有的速度消失。
The contact electric resistance of the power supply electrode is in direct proportion to earth electric resistance rate, and in relation to the diameter of the electrode and the depth of the earth.
供电电极的接触电阻与大地的电阻率成正比，与电极的粗细及入土深度有关。
The contact electric resistance of the power supply electrode is in direct proportion to earth electric resistance rate, and in relation to the diameter of the electrode and the depth of the earth.
供电电极的接触电阻与大地的电阻率成正比，与电极的粗细及入土深度有关。
应用推荐