Optimism is the composure after failure, the generosity in ordinariness, the unyieldingness after setbacks.
乐观是失败之后的镇静，乐观是平凡中的旷达，乐观是挫折后的不屈。
How could you forget that with all their simplicity, earnestness and unyieldingness, they are symbolic of our peasants in the North?
难道你就不想到它的朴质，严肃，坚强不屈，至少也象征了北方的农民；
Based on the CAM set, the article points out the common problems which are often ignored while designing it, such as unyieldingness and sympathetic vibration.
以凸轮机构为背景，指出当前设计凸轮机构时容易忽略凸轮机构的刚度、共振等问题。
Based on the CAM set, the article points out the common problems which are often ignored while designing it, such as unyieldingness and sympathetic vibration.
以凸轮机构为背景，指出当前设计凸轮机构时容易忽略凸轮机构的刚度、共振等问题。
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