为此，采用多项式函数进行了拖拉机从起始位置向目标位置行驶的行驶路径设计。

Polynomial function was used for the design of tractor trajectory from start position to destination position.

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将指定字元数从起始于指定位置的这个执行个体中删除。

Returns a new string in which a specified number of characters from the current string are deleted.

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将指定字元数从起始于指定位置的这个执行个体中删除。

Returns a new string in which a specified number of characters from the current string are deleted.

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