In 1749, for example, thermometers were tied to kites to measure temperatures.
例如，1749年，温度计被绑在风筝上以测量温度。
Tzu chi volunteers have brought along buckets , mosquito nets , towels and other daily necessities to distribute to 1749 victims of 330 households.
志工带来了包括脸盆，蚊帐，毛巾等民生物资，展开330户1749人的大型发放。
The Circular Mound Altar (1530; rebuilt 1749) is a triple-tiered white stone terrace enclosed by two sets of walls that are square outside and round inside.
圜丘(始建于1530年，重建于1749年)是一个三层的白玉露台，由内、外两道墙所围绕，内圆而外方。
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