| Front | The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them. |
|---|---|
| Back | 机械计时器的发展促使人们寻求更精确的日晷，以便校准机械计时器。 |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Anthropology science anthropologists rigorous set methods techniques document
Previous card: Modern irrigation crops grow abundantly areas cacti sagebrush
Up to card list: 雅思100句学习7000单词