测定

1. 他们能够用雷达测定快艇的方位。
   They were able to position the yacht by means of radar.
2. 我 ... 找到一个六分仪。“好啦！”我说，“他们就是用这?em>霾舛ㄌ舻母叨取！?
   I ... found a sextant ... "Now, " I said, "they take the sun through this thing."
3. 呼吸气量测定器；肺活量计用以测量肺部吸入或呼出空气的力量或体积的一种仪器
   An instrument for measuring the force or volume of inspiration or expiration in the lungs.
4. 圆弧测定器一种用于测定圆弧的仪器
   An instrument that measures circular arcs.
5. 有人已经提出一项测定火星周围大气层的饶有趣味的建议。
   An interesting suggestion for measuring the atmosphere around Mars has been put forward.

测的英语翻译：

定的英语翻译：