经历风霜雨雪，历经苦难坎坷，我们的祖国母亲在岁月的长河中，一步一步，艰难的挪动脚步。
Experience of wind, frost, rain and snow, after suffering the ups and downs of our motherland in the years long river, step by step, moving the difficult steps.
最近某个平常的工作日夜晚，华盛顿市中心的车辆艰难地往前挪动，行人们努力在大风中站稳，费劲地往家中走去。
On a typical weekday evening in downtown Washington recently, motorists inched along in stop-and-go traffic, pedestrians braced themselves against a blustery wind, trying to make their way home.
虽然计算对精度的请求比拟低，但是在未来的测试中，鉴于环境要素，机器本身的振动，及其快速挪动所带来的艰难和不便都要停止评价。
Although the desired level of accuracy is low, the environmental conditions, vibrations and quite fast moving machines provide difficulties that have to be estimated in further examinations.
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