Rising temperatures are damaging tea plants, says agronomist Steven Mwaniki.
家史蒂文·万妮科称,气温不断增高破坏了茶叶种植。
The agronomist has just flown over the field with a hybrid unmanned aerial vehicle (UAV) that takes off and lands using propellers yet maintains distance and speed for scanning vast hectares of land through the use of its fixed wings.
这位艺师刚刚驾驶混合动力无人机 (UAV) 飞过田野, 该无人机使螺旋桨起飞和降落, 同时通过固定机翼保持距离和速度扫描大片土地。