搜索结果: 1-2 共查到“国际动态 工学 Current”相关记录2条 . 查询时间(0.148 秒)
As the current solar cycle winds down, the risk of big storms goes up
current solar cycle winds big storms
font style='font-size:12px;'>
2014/5/13
Don’t write off this solar cycle just yet. Even though the current peak in the 11-year cycle of sunspot activity is on the weak side, the Sun might still produce a major storm at any point, spewing pl...
ABB to Upgrade Control and Valve Cooling System for High Voltage Direct Current Station
cooling systems
font style='font-size:12px;'>
2007/2/2