A radius dimension line uses one arrowheaded, at the arc end.
半径标示线由
头线和圆弧组成。
头；镟；楔形符号A radius dimension line uses one arrowheaded, at the arc end.
半径标示线由头线和圆弧组成。
The natives used to hammer the metal into arrowheads, using heavy stones.
土著人以前总是
沉重的石头把这种金属锤打成头。
a.双极细胞核周池扩
(
),核固缩(头)TEM×7 500;
The expansion of paronucleusspace(black arrow)and karyopyknosis(black arrowhead)of the bipolar cells TEM×7 500;
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.
对于牧溪谷的每个季节，该小组都已在每个地方设定了GPS，他们记录每一个具有考古价值的陶片，头和研磨石被发现的具体位置。
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