南行进入了迷雾氤氲的山谷，沿著一条叫咖啡路的道路前行，在接近午时我看到了一个咖啡园的招牌指向一条陡上的岔路，正是我喜欢的类型！
Heading south into the misty hills i discovered a route called the coffee road. This is exactly my sort of road! Around midday i saw a sign for coffee pointing up steep side road, which i followed.
主要河流有陡河、沙河、黑沿子排干、西排干、津唐运河、煤河等。
The main rivers are Douhe, river, and along the sub-draining, draining the West, Jin Tang Canal, coal river.
通常的脉冲发生器只是在电阻性负载时才能得到陡的上升沿。
General pulsers can obtain sharp risetime only when it is used for a resistive load.
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