及时开展灾害损失调查摸底，为灾后恢复重建打下基础。
Conduct timely assessment of loss survey and lay a solid foundation for post-disaster reconstruction.
首次开展了北京行政区划内梅花栽植情况摸底调查。
An investigation of Prunus mume planting in Beijing districts is carried out for the first time.
首次开展了北京行政区划内梅花栽植情况摸底调查。
An investigation of Prunus mume planting in Beijing districts is carried out for the first time.
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