特点】 采用转动法描写物品要有一定的顺序，不能颠来倒去。其次要准确地运用方位词如正面、反面、下面、上面、左面、右面等等，在转换物品的方向时，要用方位词标明。此外要有详有略，能反映物品特点的一面要详细描述，其他作简略交代，切忌面面俱到，平均使用力量。
分析了采用半角转动法求中心点和圆周点以进行四杆机构综合的原理和方法。
The principle and method for quarto-rod can be analyzed as a device simply through rotation of the half Angle so as to find the central and circular points.
某发动机用GH4169合金涡轮轴转动锻件由轴部和盘部两部分组成，考虑采用两步锻造法进行生产。
A two-step forging approach was taken in the production of GH4169 turboshaft of an engine, which was an integration of a disk and a shaft.
提出的等位空间采集法解决了在周期旋转动态信息中作定位分析的关键问题，即动态信号定位问题。
The key problem of analysis in circular rotating information can be solved by the method of space equal-position signal collection.
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