Can family planning experts and forest rangers work part-time?

You can't. The Detailed Rules for the Management of Forest Rangers stipulates that the conditions of forest rangers must be full-time, not part-time, and the appointment system should be implemented. The employment period is one year. In accordance with the principles of openness, justice, fairness and merit, the recruitment of ecological public welfare forest rangers. Rangers are people who patrol the forest. Its duty is to strengthen the management of fire sources in forest areas, report the fire in time and stop the destruction of forest resources.