常見例句G rass is a general term for graminaceous plants. 禾草是禾本科植物的統(tǒng)稱。The RASS emits sound waves into the air and determines the temperature by tracking the propagation of these waves using radio. 聲波雷達向空中發(fā)出聲波,然后以無線電追蹤聲波的傳送速度,從而確定上空的溫度。Fig.4 Visibility observed on 22 Feb 2001 at the airport (lower figure), and selected temperature profiles obtained with RASS (upper graphs). 圖4二零零一年二月二十二日在機場觀測所得的能見度(下圖),以及利用聲波雷達獲得的氣溫剖析圖取樣(上圖)。A BRIGHT SEYFERT IDENTIFIED FROM RASS SOURCES RASS源中證認的一顆亮Seyfert星系RASS: A RAPID ACCESS STORAGE STRUCTURE FOR RELATIONAL DATABASE 一個關系數(shù)據(jù)庫快速存取存貯結構RASS 返回 RASS