可是他在21岁的时候，出现了肌萎缩性（脊髓）侧索硬化的征兆；这一疾病不可避免地要导致瘫痪，使他很多事都不能做。
But at age 21 he developed the first symptoms of amyotrophic lateral sclerosis (ALS), a disorder that would inevitably render him paralyzed and incapable of performing most kinds of work.
解说：在这张来自卡西尼飞行器的戏剧性的图片中，土星的卫星之一的土卫二在阳光的照射下显出一道月牙，阴森地逼近了土星黑夜侧的上方。
Explanation: A sunlit crescent of Saturn's moon Enceladus looms above the night side of Saturn in this dramatic image from the Cassini spacecraft.
被注射的基因只被注入一侧脑区来降低风险性并可更好地评估试验结果。
The genes were delivered to only one side of the brain to reduce risk and to better assess the treatment.
结论：胸膜腔内注入冷沉淀能有效地降低同侧气胸的复发率，且不会导致限制性肺功能障碍。
The intrapleural instillation of cryoprecipitate could significantly lower the recurrence rate of ipsilateral pneumothorax and could not lead to restrictive pulmonary dysfunction.
以间隙不连续性中心为基点，向两侧等间距地置入具有同样结构的间隙不连续性，从而构造出一个周期的不连续性阵列。
On either side of the discontinuity, the gap discontinuities with the same structure are inserted at equal spacing so that periodic discontinuity arrangement is constructed.
目的观测地氟醚麻醉深度对单侧肺通气(OLV)时低氧性肺血管收缩(HPV)的影响。
Objective To study the effects of different concentration of desflurane on hypoxic pulmonary vasoconstriction (HPV) during one-lung ventilation (OLV).
由此，可以用简单的结构高效率地向从动侧传递主动侧的转矩，同时容易进行挠性联轴节的安装。
Torque on the drive side can be efficiently transmitted by a simple construction to the driven side, and installation of the flexible coupling is facilitated.
并经过仿真计算和数据的验证表明该选相原理的正确性，能满足现场弱馈选相的要求，从而有效地解决了弱电源侧的选相问题。
The principe is based on model component analysis. The ATP simulation calculation and the data certification show that the principle is correct and can meet the re…
并经过仿真计算和数据的验证表明该选相原理的正确性，能满足现场弱馈选相的要求，从而有效地解决了弱电源侧的选相问题。
The principe is based on model component analysis. The ATP simulation calculation and the data certification show that the principle is correct and can meet the re…
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