阴影以及降雪等恶劣天气对其没有影响，因为电池板是非平面的。
Shade and bad weather like snow don't hurt it because the panels are not flat.
图上精确的地球大地水准面是根据洋流、海平面的变化和地球冰川等元素的精确数据测量而成。
A precise model of Earth's geoidis crucial for deriving accurate measurements of ocean circulation, sea-level change and terrestrial ice dynamics.
花岗石平台表面的平面度要求高，也有部分沟槽、侧面及定位孔的加工等；
The surfaces of granite plates require high flatness, and some granite plates need the manufacture of ditchs, sides and locating bores.
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