The shallow sea bed yields up an abundance of food.浅海床提供了丰富的食物。There is potential for selective breeding for better yields.选种培育以提高产量会大有可为。The climate has grown more equable and the crop yields have risen.天气变得更加温和,粮食产量也已经...
Hepatitis E virus ( HEV ) strain 87 A and enterovirus ( ETV ) echovirus type 13 were inocu - lated onto A 549 cell line.建立了生物素标记探针技术,以便用于戊型肝炎病毒 ( hepatitisEvirus,HEV ) 的诊断及与肠道病毒的鉴别....