First, the status quo has been discussed from the aspects of agricultural machinery, the mechanization level and the service system.

从农业机械装备、农业机械化水平和农机化服务体系三个方面论述了我国农业机械化的现状。

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Article 28 the tax preference shall be granted to the income from undertaking the service of agricultural machinery production operation according to the state provisions.

第二十八条从事农业机械生产作业服务的收入，按照国家规定给予税收优惠。

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The agricultural machinery specialized service households have constituted the main force of the socialized service of agricultural machinery in present China.

现阶段，农机专业户已经成为我国农机社会化服务的主力军。

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Unlike teen retail and service workers, agricultural laborers 16 and older are permitted to operate hazardous machinery and to work even during school hours.

CNN: Obama, strengthen rules on child farm labor