In amyotrophic lateral sclerosis (ALS), the progressive loss of upper and lower motor neurons leads to respiratory failure, often with predominant diaphragm dysfunction, and death.

目的：在肌萎缩性侧索硬化（ALS）中，上下运动神经元的进行性丧失导致呼吸衰竭，常伴有明显的膈肌功能紊乱和死亡。

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Many outboard brackets, like the one shown here, can be moved up and down to raise and lower the motor.

许多舷外发动机支撑臂，就像上图中所示的那个一样，可以上下移动以使发动机抬起或下降。

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Connectionism, however, is quite successful at modeling lower level thinking like motor skills, face-recognition, and some vision.

而对连接主义来说，它在例如发动机技术，面部和一些图像的识别方面做得更加成功。

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Improving the safety of young drivers will also mean that they will face lower motor insurance costs.

BBC: Drivers 'should be made to learn for a year'

Guests arriving by car or cab check in at a lower motor lobby, where elevators can whisk them to their upper-floor rooms, bypassing its glitzy glass and marble main lobby fronting West Georgia Street, a major downtown thoroughfare.

BBC: Business trip: Vancouver

Some exporters were sharply lower: Mazda Motor Corp. dropped 7.2% and Sharp Corp. was 10% lower.

WSJ: Tokyo Shares End Sharply Lower