Both genetic error of main and lateral root number was bigger than that of environmentalerror, and their repeat was 95% and 87% respectively.
主根平均根数和侧根平均根数两个性状的遗传方差均大于环境方差,其重复力分别可达95%和87%。
2
These sources of error and uncertainty include variations in flare efficiency, mis-identification of flares, non-continuous sampling, and environmental effects like snow reflection.
CONCLUSION: Durative of gymnastic movement, error of technical action and environmental factor are the main effect on the occurrence of avascular necrosis of the femoral head.