The contents of ureotelism and globulin increased and hemoglobin decreased with inbreeding coefficient in systematicbreeding.
尿素氮和球蛋白含量在系统选择中随近交系数的上升而下降，血红素含量却上升。
2
Except for a few gratuitous successes, which I am prepared to admit, systematic cross-breeding has never produced good results.
除了少数无偿成就，我很乐意承认，有系统的杂交育种，从未产生了良好的效果。
3
The germplasm resources of cucumber are relatively abundant in China, the systematic analysis of which will have important value on the instruction of breeding work.