平方米1公顷10000平方米squaremeters1公顷100公亩ares1公顷15亩1公顷24710538英亩acres1公顷001平方公里平方千米squarekilometers1平方公里100公顷1亩00666666公顷6666666平方米1公亩100平方米1平方公里km2100公顷ha2471英亩acre0386平方英里mile21平方米m210764平方英尺ft21平方英寸in26452平方厘米cm21公顷ha10000平方米m22471...
(It was also known as Hottentot, a name which apparently referred to a band of local outlaws.) In 1854 a recent Czech immigrant named Mathias Novak purchased 100 acres (0.40 km2) of land and built a house in which early masses were celebrated. His arrival attracted other Czech immigrants,...
Floods, hurricanes, wildfires, and drought will become even more intense and force more communities to flee their 鈥doi:10.1136/bmj.o1180A. JamesBMJ A James - BMJ 被引量: 0发表: 2022年 Should physicians rethink travel to conferences? wildfires in Turkey that destroyed 1700 km2 of forest, to...