broken biennial root rate的意思|示意

The experimental investigations for the influencing factors of broken biennial root rate were made by a sugarcane cutter testing rig.

利用甘蔗切割综合试验台，对影响甘蔗切割破头率的因素进行了室内试验。

An important index on weighing cutter work capability is the rate of broken biennial root, and the incision state have a biggish influence on the rate of broken biennial root.

衡量切割器工作性能的一个重要指标是宿根破头率，切割状态对破头率有较大影响。