克雷布斯调查了加拿大育空地区含有野兔种群的试验田。
Krebs investigated experimental plots in Canada's Yukon territory that contained hare populations.
根据Burney团队的家庭问卷调查显示，照顾试验田的妇女可以给家庭提供500到700克的蔬菜，这相当于3到5道菜的数量。
According to household surveys Burney's team distributed, women tending the test plots were able to feed their families about 500 to 700 grams per day-the equivalent of three to five servings.
沃姆·林克告诉记者，美国航天局在亚利桑那的沙漠中找到一种和月球土壤类似的沙子用做试验田，而火星红“土”采自夏威夷的一座火山。
The US space agency makes ground similar to that on the Moon from sand found in an Arizona desert, while Mars' crimson "soil" is scooped from a volcano in Hawaii, Wamelink told reporters.
应用推荐