It also analyzes stress condition of two important components of the device, dipper handle and boom, supplying load basis for subsequent static analysis.
分析了机构中两个重要部件斗杆与动臂的受力状况，为后续静力学分析提供荷载依据。
And notice that Polaris marks the tip of the handle of the Little Dipper.
留意点就会发现北极星就位于小熊座在手柄位置的末端。
Look for Big Dipper, spoon of form at first, lengthen fivefold with two interval of star, spoon of handle, can find the north star on this straight line.
首先找寻杓状的北斗七星，以杓柄上的两颗星的间隔延长五倍，就能在此直线上找到北极星。
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