The main protection methods used in our country are import tariff and tariff quota currently.
目前我国农产品保护的主要措施是关税及关税配额。
The main protection of the production control layer is to protect the host of the workstation.
对生产控制层的主机安全防护主要是对工作站主机进行保护。
It emphasizes when system stability is required, the main protection must be double configuration.
强调指出当系统对稳定性有要求时，主保护必须进行双重化配置。
After the experiment, the system has realized the selective leakage protection and other main protection function.
经过实验测试，系统实现了选择性漏电保护和其它主要的保护功能。
Sampling value differential protection can be adopted as main protection for motor when it works in frequency-conversion mode.
同时，针对变频运行时电动机主保护缺失问题，提出采用采样值差动保护作为变频电动机主保护的解决方案。
It can be combined with a set of transformer main protection by combining negative-phase sequence current sudden-change starting element.
它也可与负序电流突变量起动元件配合，构成一套变压器主保护。
The final main protection configuration scheme for internal faults of Urge generators should be determined by means of quantitative design.
大型发电机内部故障主保护配置方案需要通过定量化设计来确定。
The quantitative design process of main protection configuration scheme for hydro-generators can be further simplified using the presented method.
应用该方法可进一步简化发电机主保护配置方案的定量化设计过程。
The summary of corresponding design rules directs the quantitative design for main protection configuration scheme, which greatly reduces the computation workload.
相关设计规则的总结大大减少了设计计算的工作量。
Since a multi-branch hydro-generator could adopt many modes of neutral-point lead, its main protection configuration has a large number of constitute manners and compound schemes.
对于多分支的水轮发电机，可以采用多种中性点引出方式，相应主保护的构成方式和组合方案数目巨大，很难通过穷举法获得最优的配置方案。
The main protection scheme of power equipments against internal faults has been differential protection, the application of which is comparatively simple in the generator and transmission line.
电气主设备内部故障的主保护方案是差动保护，差动保护在发电机和线路上的应用比较简单。
The main protection scheme of power equipments against internal faults has been differential protection, the application of which is comparatively simple in the generator and transmission line.
电气主设备内部故障的主保护方案是差动保护，差动保护在发电机和线路上的应用比较简单。
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