arrow head meaning in English

箭头线迹
面高花

Many indian tribes knapped arrow heads and other tools
许多印地安部落敲打箭头和其他的工具。
As indicated by an arrow head , the flow direction at any point along a streamline is parallel to the wind direction at that point
流线上随著箭头展示任何一点的流向，都是平行于该点的风向。
" anyone can do that , " the soldier , getting upset , cried , " the arrow head is still in the leg , why haven t you taken it out ?
士兵发急地说： “剪掉箭杆子谁不会？我要你拔出射进肉里的箭头呀！ ”
On a component diagram with lollipops and sockets , note that the dependency arrow comes out of the consuming requiring socket and its arrow head connects with the provider s lollipop , as shown in figure 5
在有棒棒糖和插座的组件图上，注意，依存箭从强烈的（要求的）插座引出，并且它的箭头指向供应者的棒棒糖，如图5所示。