It features new type step-motor control system and metering mechanism adjustable without shutdown the machine.

采用新型步进电机调整机构及不停机调整计量机构。

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The test mostly analyse the film mulching hill-drop planter from two aspects: One is mechanism of duck-mouth type punching-opener, One is analyse of metering device .

本文主要从两个方面对覆膜穴播机具进行分析：一是鸭嘴式成穴器的成穴机理；二是外槽轮式排种器的分析。

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The paper notes the success of numerous policies California has implemented to promote distributed generation, including the California Solar Initiative (CSI), net energy metering (NEM), the renewable auction mechanism (RAM), and the Self-Generation Incentive Program.

FORBES: 9 Recommendations To Continue California's Local Clean Energy Boom