Because the front frame of loader is the base structure of working mechanism, the solution of load of front frame may be translated to solve the reactions of the working mechanism.

由于轮式装载机前车架是支撑工作装置的基础结构，求解前车架的载荷问题可转化为求解工作装置的约束力问题。

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You still must ask a few questions up front to frame the discussion and then follow it through.

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Italian craftsmen learned how to precisely mill these reading stones, and by 1286, they were making lenses that could be held in a frame in front of a person's eyes.

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The court also heard from fingerprint expert Andrew Price, who examined a window frame from the front of the house.

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