This can make the atmosphere expand, causing UARS to fall to Earth faster than expected.
这可以使大气层扩大，导致高层大气研究卫星(UARS)比预期更快地下降到地球。
Since Earth is mostly water and sparsely populated land, chances are UARS won't cause any harm.
由于地球表面大多是水或是人口稀少，UARS有可能不会造成伤害。
They are trying to determine the satellite UARS returns to the atmosphere of the exact time and place.
他们正在试图确定这颗高层大气研究卫星返回大气层的准确时间和地点。
But debris falls from space all the time, and big objects the size of UARS come down about once a year.
但是一直会有碎片从太空落下，并且每年将会有一个大小同uars接近的大物体落下。
NASA's Upper Atmosphere Research Satellite, or UARS, is expected to reenter the atmosphere at the end of September.
美国国家航空和宇宙航行局的高层大气研究卫星，简称UARS，预计将于九月末返回大气层。
UARS could land anywhere between 57 degrees north and 57 degrees south of the equator - most of the populated world.
UARS可能在赤道以北57度和赤道以南57度之间的任何地方着陆，这是世界上人口最多的地区。
Sort of a milder cousin of sleep apnea, UARS occurs when some type of resistance slows or blocks air in the nasal passages.
跟阻塞性睡眠呼吸暂停综合症类似的一种更温和的症状是呼吸道阻力综合症，当一些类型的阻力减慢或堵塞鼻腔通道的空气传送时就会发生这种症状。
UARS was built and launched before NASA and other nations started new programs that prevent this type of uncontrolled crashes of satellite.
NASA和其他国家已着手研究防止这类失控的卫星坠落的新课题，而这颗前上层大气研究卫星在此之前建造并发射。
NASA scientists and engineers considered what pieces UARS would break into as it hits the atmosphere, the pieces' shapes, and their composition.
NASA的科学家和工程师需要考虑卫星的哪一部分会进入大气层，还有这一部分碎片的形状和它们的结构构成。
NASA says readings from UARS provided conclusive evidence that chlorine in the atmosphere, originating from human-produced chlorofluorocarbons, is at the root of the polar ozone hole.
美国宇航局称，从uars读取的数据提供了决定性证据，证明人类产生的使大气中的含氯的氯氟化合物是造成极地臭氧空洞的根源。
If tongue position during sleep is causing your UARS, the doctor may recommend a dental device that pushes the jaw and tongue forward and prevents the tongue from blocking the opening to the throat.
如果睡眠时你舌头的位置是患呼吸道阻力综合症的原因，医生可能会推荐一种牙齿装置向前推着下颚和舌头，并防止舌头阻塞喉部的通路。
If tongue position during sleep is causing your UARS, the doctor may recommend a dental device that pushes the jaw and tongue forward and prevents the tongue from blocking the opening to the throat.
如果睡眠时你舌头的位置是患呼吸道阻力综合症的原因，医生可能会推荐一种牙齿装置向前推着下颚和舌头，并防止舌头阻塞喉部的通路。
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