In photovoltaic grid-connected generation systems, whether the condition of islanding can be detected effectively and timely or not is of great significant for the entire grid-connected system.
在太阳能并网发电系统中，如何有效、及时地检测孤岛效应对整个并网系统具有重要的意义。
Besides the strength condition, the environmental stiffness condition is another one necessary for shock-generation.
除强度条件外，环境刚度条件是发震的另一必要条件。
The flexure slope breaks are good position for lithostratigraphic traps, which is in good condition of generation, reservoir and seal.
挠曲坡折带岩性地层圈闭发育，生储盖条件配置良好；
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