The grassland stretches evenly before you, like a becalmed sea.无边的草原是这样平展, 就象风平浪静的海洋....the becalmed peace talks.陷入僵局的和谈The ship was becalmed for three days.船因无风停航三天.We were becalmed off Dungeness for several hours.因为没有风...
Polish industry generally is becalmed.波兰工业普遍陷于停滞。The ship was becalmed for three days.船因无风停航三天.The grassland stretches evenly before you, like a becalmed sea.无边的草原是这样平展, 就象风平浪静的海洋....
避免采用灰化消解.Ashing should be avoided.本文研究了湿法灰化火焰原子吸收法测定多种加工食品中的钙 、 镁和铁.Wet ashing and flame atomic absorption determination of Ca, Mg and Fe have been studied.考查了石墨炉原子吸收测定硅铁合金中钼的最佳灰化、原子化条件,酸介质及共存元素的影响.Determination of trace...