One marker of ice loss on Kilimanjaro was the radioactive signature of fall-out from atomic tests carried out in the early 1950s.
乞力马扎罗山峰冰雪消融的标志是在20世纪50年代早期开展的原子能测试产生辐射尘的放射性特征。
Ensure that the height marker is on zero graduation: Fall down the cylinder to check, if any deviation, adjust the two screws of the height marker.
检查定位标是否对零线：将重锤放下观察定位标上刻线是否与零线重合，有偏差时可调整定位标两侧的螺钉。
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