Severe fatigue. When anemia is severe enough, you may be so tired that you can't complete everyday tasks. You may be too exhausted to work or play.

严重的疲劳。当贫血严重到一定程度时，患者可能会疲劳得无法进行日常生活、工作和娱乐。

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Results: With the fatigue becoming more serious or fatigue period becoming longer, the pattern of contraction became incomplete tetanus and complete tetanus progressively from single twitch.

结果随疲劳程度加重和疲劳时间延长，肌肉收缩形式从单收缩向不完全强直收缩和完全强直收缩过渡；

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Driving the spindle displacements signals on the new model vehicle's multiple body model, the complete vehicle simulation can be done without any obstacles, then predict the component's fatigue life.

把轮轴位移信号作用于新车型的多体模型，可以毫无障碍地进行整车模拟，预测出部件的疲劳寿命。

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