纬度测定 [
wěi dù cè dìng]
[测] latitude determination
- 早期测定纬度的仪器是象限仪,测量北极星或正午太阳的高度。
The earliest instrument for determining latitude was the quadrant, which measured the altitude of the polestar or the noonday sun. - 早期测定纬度的仪器是象限仪,测量北极星或正午太阳的高度。
Maria taught them to use the sextant, an instrument measuring the height of the sun from the horizon.