飞机撒播近一个月后，开始下起雨来。
The planes had been planting seed for nearly a month when it began to rain.
通过飞机撒播、特种炮弹发射等手段，可以将大量便宜的传感器密集地部署于己方人员不便于到达的观察区域，如敌方阵地内，以收集到有价值的数据；
A great deal of cheap sensors may be deployed thickly by plane or shell to collect useful data in surveillance regions where cannot be arrived convenience, such as enemy position.
飞机把这种草籽大量地撒播在地上。
The seed was sprayed over the ground in huge quantities by aeroplanes.
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