It could be accomplished sowing work prescribing by the application maps based on the GPS signal under the control of mechanical variablespeedunit.
该播种机由变量控制器控制机械式无级变速器，根据GPS的位置信号，完成处方图设计的播种施肥作业。
2
Numerical results show that the player's profits become more stable if the speed of adjustment decreases or variable cost per unit increases.
结果表明，参与人对产量的调整速度越小或单位变动成本越大，其利润就越稳定。
3
PMLP type plane series chain plate debris removal unit offers wide selection of transmission speed and working range and is of high working efficiency and has variable debris removal width.