From the crest there is a view to the ocean, three miles distant, shrouded in fog created by the convergence of desert heat and the icy Benguela Current.
从沙丘顶上可以看到三英里外的大海，笼罩在由沙漠热量和冰冷的本格拉洋流交汇而产生的雾气之中。
2
Based on T type filter, the new ballast can achieve a wide dimming range with a very narrow frequency variation range, and it can operate with low lamp currentcrest factor.
基于T型滤波器的调光方法，能在很窄的工作频率范围内实现深度调光，同时具有灯电流波峰因数低的优点。
3
Lamp CurrentCrest Factor: Ratio of peak current to the root mean square lamp Current.