The key of cultivated land protection is to standardize the land to collect, set up effective mechanism of regulation and control on scale of the land expropriation.
耕地保护的关键是规范土地征收行为,建立有效的土地征收规模调控机制。
参考来源 - 县级土地征收规模影响因素及调控机制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The system includes the teaching system of monitoring main body, the teaching system of monitoring object, the teaching mechanism of regulation and control and other aspects.
该体系包括教学监控主体体系、教学监控客体体系以及教学调控机制几方面内容。
Stroke control mechanism for the regulation and precise control of valve opening and closing position.
行程控制机构，用以调节和准确控制阀门的启闭位置。
RNA interference is a very important mechanism for the regulation of gene expression, participates in defense against viral infections, and keeps jumping genes under control.
RNA干涉现象以一种非常明确的方式抑制了基因表达，对于基因表达的调控、病毒感染的防护、控制跳跃基因具有重要的意义。
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