below grade

基本解釋

The glass blocks covering the walls and roof allow natural light to illuminate the entries and extend below-grade through the diagonal space of the stairs and escalators.
玻璃塊覆蓋的墻壁和屋頂可以讓光線照射進來并且向下延伸，通過樓梯和自動扶梯實現(xiàn)對角空間效果。
Prevents nozzle problems associated with settling of all competitive below-grade manholes. Non-settling, never-sink manhole. No problem with bellows collapsing unlike competitive products.
使用具有競爭力的檢修井能夠防止噴管問題的發(fā)生。我們生產的檢修井永遠不會沉降和下沉。也不會產生波紋管塌陷的問題。
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No longer completely natural, the stream is a mix of water from the Han River, below-grade runoff, and treated water from a sewage plant, which enters the canal at various points along its course.
修復的運河不再是全天然的，而是由Han河、低于一般標準的徑流、污水處理廠的再凈水三者的混合水，這些水在河道不同的地方流入。

Below-investment grade paper yields more than 8%, as do A-rated preferred stocks.
FORBES: Magazine Article
Since March 2009, those factors have both been big tailwinds for below-investment grade paper, helping drive both the JNK and HYG 50% higher in price over the past year and a half.
FORBES: Ford And Icahn Look Like Better Bond Bets Than Uncle Sam
Below-investment grade bonds rarely trade at all.
FORBES: Out Of Treasuries And Boldly Into The Fire