It is shown that the saturation power of FRAs decreases with the pump power, and gain saturation is easier to occur in the forward pump scheme than in the backward pump scheme.

同时指出，光纤拉曼放大器的饱和功率随泵浦功率的增大而减小，相对于后向泵浦方式，增益饱和更容易在前向泵浦方式下产生。

youdao

This was a small airless house and in the corner he discovered a water pump. He was so excited and went forward to draw water, but no water came out no matter how hard he tried.

这是一个不通风的小房子。在小角落里他发现了一个抽水机。他为此很兴奋，便上前去抽水，但无论他如何努力都没有水出来。

youdao

The ship is tipping forward a little bit. You can pump some water or oil to adjust the draft.

船稍微有点前倾，你可以抽一些水或油来调整吃水。

youdao

"So KickStart went forward to design a range of agricultural technologies, the most significant of which has been the foot-powered treadle pump."

VOA: standard.2009.12.18

What he has never said, and what I attempted, I thought, to appropriately mock yesterday, was the idea that there are magic solutions, that you can put forward a proposal to cut the price at the pump in half on a piece of paper with a couple of magic beans.

WHITEHOUSE: Press Briefing

But he said after "pump-priming" the brand, it was now the right time to look for others to come forward to support it.

BBC: Obesity marketing campaign 'cut'