arrowhead

1.A radius dimension line uses one arrowheaded, at the arc end.

半径标示线由箭头线和圆弧组成。

2.The natives used to hammer the metal into arrowheads, using heavy stones.

土著人以前总是沉重石头把这种金属锤打成箭头。

3.a.双极细胞核周池扩张(黑箭),核固缩(黑箭头)TEM×7 500;

The expansion of paronucleusspace(black arrow)and karyopyknosis(black arrowhead)of the bipolar cells TEM×7 500;

4.During their four seasons in Range Creek, the teams had plotted the GPS coordinates of every site they'd found and recorded the location of every potsherd, arrowhead, and metate.

对于牧溪谷节，该小组都已在地方设定了GPS，他们记录一具有考古价值陶片，箭头和研磨石被发现具体位置。