多年以来，职业保健专家一直在苦苦研究办公室职员所反映的诸如头疼、恶心和疲劳等症状。For many years, experts in occupational health have puzzled over symptoms reported by office workers, including headache, nausea and fatigue.时机成熟辩护理由通常反映的是审慎的考虑.Usually, however ,...
An implantation can occur only under certain proper conditions.植入只有在某些合适的条件下才能够发生.Most of the manipulations occur instead in the etheric or astral planes.大部分操控反之发生在以太或星光层.Apogean tides occur when the moon is at the apoge...
实际上, 你对分数的估计完全正确.Yes , indeed! You are right asrain about the score.如果正好发生了,我们会让你知道分数的.We'll let you know the score as it happens.首先得到分数的选手将被宣判为获胜者.The first competitor to obtain an award will be declared the winner...
工作时周围环境温度恒定有多么重要呢？How important is it to have an even temperature when you're working?温度通过热传导变得一致，直到最终达到恒定状态。Temperature becomes uniform by heat conduction until finally a permanent state is reached.那栋砖砌的房子里全年温度恒定。T...
Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.化学方法包括酸洗法 、 皂化法 、 酰化法和酯化法等.Iso - army gall...