direct ray直接辐射波directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令direct reinforcement直接强化直接增强direct positive film直接正片(制幻灯片用)direct amplification直接放大direct least squares最小二乘法Direct lytic factors直接溶解因子Direct cooling water浊环水direct group testing直接群体试验Direct determination直接测定direct-fired drier直接火烘干燥机direct metamorphosis直接变态

1. The dash line indicates the possibility of a direct input to the control system through an angle-of-attack indicator.
   虚线表示，通过攻角指示器，有可能直接输入到控制系统去。
2. This indicated that POC contents did not mainly stem from the input of crop biomass.
   而可能与施肥中的直接输入有较大关系。