The cost of crystalline silicon and polycrystalline silicon solar cell is high steadily, amorphous silicon and amorphous silicon thin film solar cell has "optical-induced degradation".

单晶硅和多晶硅体太阳能电池成本居高不下，非晶硅和非晶硅薄膜太阳能电池又有光致衰退效应的困扰。

youdao

In the middle to high latitudes rainfall has risen steadily over the last 20-30 years.

中高纬度地区的降雨量在过去的20到30年间稳步上升了。

《柯林斯英汉双解大词典》

Dongfang koi farm owns highbred and high-quality parent koi fish that all come from notable bloodlines and inherited steadily.

东方锦鲤，拥有血统纯正的，高品质锦鲤种鱼种群。

youdao

but the noise steadily increased. I arose and argued about trifles, in a high key and with violent gesticulations;

VOA: special.2009.02.02

Initially, Bartleby proves to be an ideal employee, steadily producing high-quality work.

WSJ: Five Best: Tales of Idleness

Sales of new and existing homes have been falling steadily since the high sales peaks set in mid-2005.

FORBES: Slowdown Or Not?

But these results were not enough to meet the high expectations that have been steadily building back into the recovering big banking sector.

FORBES: The Big Bank Rally Stalls