BUILT-IN test equipment, equipment installed on the airplane and in airplane systems to test the systems without external test equipment.
自检设备，安装在飞机和飞机系统中，在无外接检测设备情况下，用于检测系统的设备。
Through the model external-test, the average precision of volume model was over 90% and the estimation precision of stand net growth was over 80%.
通过模型的外检验，蓄积平均精度可达90%以上，林分纯生长量的估计精度可达80%以上。
Through the model external-test, the average precision of volume model was over 90% and the estimation precision of stand net growth was over 80%.
通过模型的外检验，蓄积平均精度可达90%以上，林分纯生长量的估计精度可达80%以上。
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