本发明可实现对变电站的变压器、母差保护等二次回路的检验。
The electric secondary AC circuit detection method can check secondary circuits such as the transformer and the bus differential protection of a transformer substation.
对于母差保护的改造，应制定停电计划，编制作业指引，提高工作效率。
When we reform the bus protection, we should make an equipment withdraw plan and working guide to raise the work efficiency.
主接线方式变更后，要关注运行方式的变化，重新考虑母差的保护范围，修编倒闸操作规程。
By the reform of the main bus connection, we should pay attention to the change of operation mode, reconsider the bus protection scope, and edit the operation rules.
针对母联电流相位比较式母差保护接线的重要性，文章介绍了一种带负荷测量法去验证母联电流相位比较式母差保护接线正确的方法。
Seeing that the importance of the bus protection wiring in bus coupler current phase comparison, in this paper an on-load testing verifying its wirings is introduced.
本文应用对母函数微分的方法得到正态随机矩阵多项式的均值与协差阵的表达式。
An expression for the mean and covariance matrix of normal random matrix polynomial is derived by applying the method of matrix differentiation to generating function.
遂宁组母质易风化，风化后的碎屑黏聚力弱、结构力差，易遭受径流侵蚀。
Parent material of Suining group is easy eroded, and the erosion material is of poor cohesion and structure and even easier being eroded by runoff.
以无锡太湖公蟹和苏州上塘母蟹为研究对象，利用差示扫描量热法测定其玻璃化转变温度，并据此确定本实验所采用的冻藏温度。
The glass transition temperatures of Wuxi Taihu Crab and Suzhou Shangtang Crab were determined by differential scanning calorimeter, then the storage temperatures in this experiment were selected.
由于焊接过程中受到敏化温度影响，焊缝的耐晶间腐蚀性要比母材差。
Because the welding is affected by sensitive temperature, the intergranular corrosion resistance of weld metal is worse than that of base metal.
由于焊接过程中受到敏化温度影响，焊缝的耐晶间腐蚀性要比母材差。
Because the welding is affected by sensitive temperature, the intergranular corrosion resistance of weld metal is worse than that of base metal.
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