hectare

Mist rose from a nearby stand of thriving eucalyptus trees she planted after receiving title to more than a hectare of farmland..雾气从附近生长繁茂的桉树林中升起，这些树是她在获得对一公顷多农田的所有权后栽种的。

This could be estimated at 1000 litres of hydrogen for 330 grams of chlorophyll per day whereas for example colza produces roughly only 1000 litres of oil per hectare . . . .这种农场每天估计能够产生1000升氢气，而且只消耗330克叶绿素； 而比如种植菜籽，每公顷土地才能产生大约1000升油。

Researchers at the algae greenhouse plan to scale up the trial to a 100 hectare (247 acre) site over the next three years..藻类温室的研究人员计划在未来三年内将试验范围扩大到一片100公顷（合247英亩）的场地上。