the tower is structurally unsound.
那
塔
构不良。
构
地,官能地;地;
学地;;
;构;the tower is structurally unsound.
那塔构不良。
the building is structurally sound and weatherproof.
这个
构良好，经得起日晒雨淋。
A set of structurally close chiral arylalcohols and achiral arylalcohols were studied using chiralcel OD-H column as stationary phase.
采用高效液相色谱法对15种芳香醇及构相近化合进行了分离研究。
Methods and recent development of isolation of structurally characterizable alkali, alkaline earth and lanthanide metal ketyl radical complexes were reviewed in the paper.
介绍了利用金属离子的配位作用捕获并分离重要有机反应中间体——自由基中间体的研究方法和最新进展。
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