The propagation characteristics of a simulation partial discharge (PD) pulse and a steep front pulse in the XLPE power cable are investigated.

对模拟局部放电的窄脉冲和陡前沿脉冲沿电缆的传播特性进行了实验研究。

youdao

Lao Wan on the train, the front is a young girl, a backpack, a skirt wearing a very narrow, car ladder is very steep, the girl several times because of a leg and thigh to step up skirt stuck.

老万上火车时，前面是一个年青姑娘，背着一个大背包，穿着很窄的一步裙，车厢的阶梯很陡，姑娘几次抬腿都因一步裙卡住大腿而迈不上去。

youdao

I found a little plain, on the side of a hill, whose front towards the plain was very steep, and had in it a hollow place like the door of a cave.

我发现了一个小平原上的一座小山，其前向平原是非常陡峭的一面，而在它像一个山洞门中空的地方了。

youdao

On the inflation front, a key development over the past year has been the steep run-up in the price of oil.

NPR: Economic Swoon to Continue, Bernanke Says

And there are mounds of gravel, and holes in the sides of the basin where gravel has been taken out, and high up in the steep sides there are little holes that are the little front doors of the little sand-martins' little houses.

NPR: Excerpt: 'Five Children and It'